Submission #1134670

#TimeUsernameProblemLanguageResultExecution timeMemory
1134670saidponNaval battle (CEOI24_battle)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #define nemeshay ios_base::sync_with_stdio(NULL), cin.tie(0), cout.tie(0); #define int long long #define sigma signed #define pb push_back #define pii pair<int, int> #define fr first #define sc second using namespace std; const int N = 2e5 + 2, inf = 1e18 + 7; pair<pii, pair<char, int>> a[N]; sigma main() { int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc; a[i].sc.sc = i; } set <int> ans; sort(a + 1, a + n + 1); map <int, vector<int>> pon; for (int i = 1; i <= n; i++) ans.insert(i), pon[a[i].fr.fr + a[i].fr.sc].pb(a[i].sc.sc); for (auto j: pon) { vector <int> ok; for (auto i: j.sc) { if (ok.size() && a[i].sc.fr == 'S' && a[ok.back()].sc.fr == 'E') ans.erase(ok.back()), ans.erase(i), ok.pop_back(); else ok.pb(i); } } for (auto j: ans) cout << j << endl; }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:16:41: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'std::pair<char, long long int>')
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                         ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:120:36: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]'
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:124:32: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:131:30: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'std::ios_base& (*)(std::ios_base&)'
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:168:24: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'bool&'
  168 |       operator>>(bool& __n)
      |                  ~~~~~~^~~
/usr/include/c++/11/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:172:25: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'short int&'
  172 |       operator>>(short& __n);
      |                  ~~~~~~~^~~
/usr/include/c++/11/istream:175:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:175:34: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'short unsigned int&'
  175 |       operator>>(unsigned short& __n)
      |                  ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:179:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:179:23: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'int&'
  179 |       operator>>(int& __n);
      |                  ~~~~~^~~
/usr/include/c++/11/istream:182:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:182:32: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'unsigned int&'
  182 |       operator>>(unsigned int& __n)
      |                  ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:186:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:186:24: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'long int&'
  186 |       operator>>(long& __n)
      |                  ~~~~~~^~~
/usr/include/c++/11/istream:190:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:190:33: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'long unsigned int&'
  190 |       operator>>(unsigned long& __n)
      |                  ~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:195:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:195:29: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'long long int&'
  195 |       operator>>(long long& __n)
      |                  ~~~~~~~~~~~^~~
/usr/include/c++/11/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:199:38: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'long long unsigned int&'
  199 |       operator>>(unsigned long long& __n)
      |                  ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:214:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  214 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:214:25: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'float&'
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/11/istream:218:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  218 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:218:26: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'double&'
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/11/istream:222:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  222 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:222:31: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'long double&'
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:235:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  235 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/11/istream:235:25: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'void*&'
  235 |       operator>>(void*& __p)
      |                  ~~~~~~~^~~
/usr/include/c++/11/istream:259:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]'
  259 |       operator>>(__streambuf_type* __sb);
      |       ^~~~~~~~
/usr/include/c++/11/istream:259:36: note:   no known conversion for argument 1 from 'std::pair<char, long long int>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
  259 |       operator>>(__streambuf_type* __sb);
      |                  ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:45,
                 from Main.cpp:1:
/usr/include/c++/11/cstddef:132:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)'
  132 |     operator>>(byte __b, _IntegerType __shift) noexcept
      |     ^~~~~~~~
/usr/include/c++/11/cstddef:132:5: note:   template argument deduction/substitution failed:
Main.cpp:16:27: note:   cannot convert '(& std::cin.std::basic_istream<char>::operator>>(a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::first.std::pair<long long int, long long int>::first))->std::basic_istream<char>::operator>>(a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::first.std::pair<long long int, long long int>::second)' (type 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'}) to type 'std::byte'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                           ^
In file included from /usr/include/c++/11/string:56,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1485 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/istream:1016,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/bits/istream.tcc:958:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)'
  958 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/11/bits/istream.tcc:958:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   deduced conflicting types for parameter '_CharT' ('char' and 'std::pair<char, long long int>')
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:756:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)'
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:756:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'unsigned char&'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:761:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)'
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:761:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'signed char&'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:803:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT*)'
  803 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/11/istream:803:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   mismatched types '_CharT*' and 'std::pair<char, long long int>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:846:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)'
  846 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/11/istream:846:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'unsigned char*'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:852:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)'
  852 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/11/istream:852:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'signed char*'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/istream:1006:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
 1006 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/11/istream:1006:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = std::pair<char, long long int>&]':
Main.cpp:16:49:   required from here
/usr/include/c++/11/istream:1006:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
In file included from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/complex:501:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)'
  501 |     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/11/complex:501:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::complex<_Tp>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:66,
                 from Main.cpp:1:
/usr/include/c++/11/bitset:1472:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)'
 1472 |     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
      |     ^~~~~~~~
/usr/include/c++/11/bitset:1472:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::bitset<_Nb>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:71:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)'
   71 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:71:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::_Resetiosflags'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)'
  101 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:101:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::_Setiosflags'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:132:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)'
  132 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:132:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::_Setbase'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:170:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)'
  170 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:170:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::_Setfill<_CharT>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:200:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)'
  200 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:200:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::_Setprecision'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:230:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)'
  230 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:230:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::_Setw'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:264:5: note: candidate: 'template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)'
  264 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:264:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::_Get_money<_MoneyT>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/iomanip:418:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)'
  418 |     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
      |     ^~~~~~~~
/usr/include/c++/11/iomanip:418:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::_Get_time<_CharT>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  414 |     _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
 1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
 1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'const std::valarray<_Tp>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:921:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_int_distribution<_IntType>&)'
  921 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:921:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::uniform_int_distribution<_IntType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:982:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_real_distribution<_IntType>&)'
  982 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:982:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::uniform_real_distribution<_IntType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:2167:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::cauchy_distribution<_RealType>&)'
 2167 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:2167:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::cauchy_distribution<_RealType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:49,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.h:3722:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bernoulli_distribution&)'
 3722 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.h:3722:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   cannot convert 'a[i].std::pair<std::pair<long long int, long long int>, std::pair<char, long long int> >::second' (type 'std::pair<char, long long int>') to type 'std::bernoulli_distribution&'
    8 | #define sc second
      |            ^
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:1124:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::geometric_distribution<_IntType>&)'
 1124 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:1124:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::geometric_distribution<_IntType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:1775:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::exponential_distribution<_RealType>&)'
 1775 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:1775:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::exponential_distribution<_RealType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:2561:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::weibull_distribution<_RealType>&)'
 2561 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:2561:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::weibull_distribution<_RealType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:2635:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::extreme_value_distribution<_RealType>&)'
 2635 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:2635:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::extreme_value_distribution<_RealType>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:175:5: note: candidate: 'template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::linear_congruential_engine<_UIntType, __a, __c, __m>&)'
  175 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:175:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::linear_congruential_engine<_UIntType, __a, __c, __m>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:501:5: note: candidate: 'template<class _UIntType1, long unsigned int __w1, long unsigned int __n1, long unsigned int __m1, long unsigned int __r1, _UIntType1 __a1, long unsigned int __u1, _UIntType1 __d1, long unsigned int __s1, _UIntType1 __b1, long unsigned int __t1, _UIntType1 __c1, long unsigned int __l1, _UIntType1 __f1, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&)'
  501 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:501:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:652:5: note: candidate: 'template<class _UIntType, long unsigned int __w, long unsigned int __s, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&)'
  652 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:652:5: note:   template argument deduction/substitution failed:
Main.cpp:8:12: note:   'std::pair<char, long long int>' is not derived from 'std::subtract_with_carry_engine<_UIntType, __w, __s, __r>'
    8 | #define sc second
      |            ^~~~~~
Main.cpp:16:49: note: in expansion of macro 'sc'
   16 |         cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
      |                                                 ^~
In file included from /usr/include/c++/11/random:51,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
                 from Main.cpp:1:
/usr/include/c++/11/bits/random.tcc:718:5: note: candidate: 'template<class _RandomNumberEngine, long unsigned int __p, long unsigned int __r, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::discard_block_engine<_RandomNumberEngine, __p, __r>&)'
  718 |     operator>>(std::basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:718:5: note:   template argument deduct