Submission #865273

#TimeUsernameProblemLanguageResultExecution timeMemory
865273vjudge1Meteors (POI11_met)C++17
Compilation error
0 ms0 KiB
/* (( `'-""``""-'` )) )-__-_.._-__-( / --- (o _ o) --- \ \ .-* ( .0. ) *-. / _'-. ,_ '=' _, .-'_ / `;#'#'# - #'#'#;` \ \_)) -----'#'----- ((_/ # --------- # '# ------- #' /..-'# ------- #'-.\ _\...-\'# -- #'/-.../_ ((____)- '#' -(____)) art by - Vinni01 / luchi abi cout << fixed << setprecision(6) << x; freopen ( "sum.in", "r", stdin ) */ #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization("unroll-loops") #include <map> #include <set> #include <list> #include <cmath> #include <ctime> #include <deque> #include <queue> #include <stack> #include <string> #include <bitset> #include <cstdio> #include <limits> #include <vector> #include <climits> #include <cstring> #include <cstdlib> #include <fstream> #include <numeric> #include <sstream> #include <cassert> #include <iomanip> #include <iostream> #include <algorithm> #include <stdio.h> #include <fstream> #include <unordered_map> using namespace std ; #define ll int #define ff first #define ss second #define pb push_back #define pf push_front #define UseOFF ios_base::sync_with_stdio(0);cin.tie(0), cout.tie(0) #define sz size #define ins insert #define new jweijofdg const ll N = 3e5 + 111 ; const ll k = 400 ; ll sum[ N ] ; ll a[ N ] ; map < ll, ll > p[ N ] ; map < ll, ll > cnt[ N ] ; map < ll, ll > ANS[ N ] ; signed main() { UseOFF ; ll n, m ; cin >> n >> m ; for( int i = 1 ; i <= m ; i++ ) { cin >> a[ i ] ; } for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; } ll q ; cin >> q ; for( int i = 1 ; i <= q ; i++ ) { ll l, r, x ; cin >> l >> r >> x ; ll r2 = r ; if( l > r ) { r = m ; } for( int j = l ; j <= r ; j++ ) { cnt[ a[ j ] ] += x ; //if( a[ j ] == 3 )cout << cnt[ a[ j ] ] << " " << p[ a[ j ] ] << " " << a[ j ] << " " << i << " " << x << '\n' ; if( cnt[ a[ j ] ] >= p[ a[ j ] ] ) { ANS[ a[ j ] ] = min( ANS[ a[ j ] ], i ) ; } } if( l > r2 ) { for( int j = 1 ; j <= r2 ; j++ ) { cnt[ a[ j ] ] += x ; //if( a[ j ] == 3 )cout << cnt[ a[ j ] ] << " " << p[ a[ j ] ] << " " << a[ j ] << " " << i << " " << x << '\n' ; if( cnt[ a[ j ] ] >= p[ a[ j ] ] ) { ANS[ a[ j ] ] = min( ANS[ a[ j ] ], i ) ; } } } } for( int i = 1 ; i <= n ; i++ ) { if( ANS[ i ] == 1e9 ) { cout << "NIE\n" ; continue ; } cout << ANS[ i ] << '\n' ; } }

Compilation message (stderr)

met.cpp:21: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   21 | #pragma GCC optimization("unroll-loops")
      | 
met.cpp: In function 'int main()':
met.cpp:74:43: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::map<int, int>')
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                       ~~~ ^~ ~~~~~~
      |                                       |           |
      |                                       |           std::map<int, int>
      |                                       std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/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++/10/istream:120:36: note:   no known conversion for argument 1 from 'std::map<int, 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++/10/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++/10/istream:124:32: note:   no known conversion for argument 1 from 'std::map<int, 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++/10/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++/10/istream:131:30: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'std::ios_base& (*)(std::ios_base&)'
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/10/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++/10/istream:168:24: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'bool&'
  168 |       operator>>(bool& __n)
      |                  ~~~~~~^~~
/usr/include/c++/10/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++/10/istream:172:25: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'short int&'
  172 |       operator>>(short& __n);
      |                  ~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:175:34: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'short unsigned int&'
  175 |       operator>>(unsigned short& __n)
      |                  ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:179:23: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'int&'
  179 |       operator>>(int& __n);
      |                  ~~~~~^~~
/usr/include/c++/10/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++/10/istream:182:32: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'unsigned int&'
  182 |       operator>>(unsigned int& __n)
      |                  ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:186:24: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'long int&'
  186 |       operator>>(long& __n)
      |                  ~~~~~~^~~
/usr/include/c++/10/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++/10/istream:190:33: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'long unsigned int&'
  190 |       operator>>(unsigned long& __n)
      |                  ~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:195:29: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'long long int&'
  195 |       operator>>(long long& __n)
      |                  ~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:199:38: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'long long unsigned int&'
  199 |       operator>>(unsigned long long& __n)
      |                  ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:214:25: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'float&'
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:218:26: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'double&'
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:222:31: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'long double&'
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:235:25: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'void*&'
  235 |       operator>>(void*& __p)
      |                  ~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:259:36: note:   no known conversion for argument 1 from 'std::map<int, int>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
  259 |       operator>>(__streambuf_type* __sb);
      |                  ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/10/string:56,
                 from met.cpp:30:
/usr/include/c++/10/bits/basic_string.tcc:1476:5: 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>&)'
 1476 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1476:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   'std::map<int, int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                                   ^
In file included from met.cpp:31:
/usr/include/c++/10/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++/10/bitset:1472:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   'std::map<int, int>' is not derived from 'std::bitset<_Nb>'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                                   ^
In file included from /usr/include/c++/10/istream:991,
                 from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/bits/istream.tcc:931:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)'
  931 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/10/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   deduced conflicting types for parameter '_CharT' ('char' and 'std::map<int, int>')
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                                   ^
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/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++/10/istream:756:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   cannot convert 'p[i]' (type 'std::map<int, int>') to type 'unsigned char&'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                              ~~~~~^
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/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++/10/istream:761:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   cannot convert 'p[i]' (type 'std::map<int, int>') to type 'signed char&'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                              ~~~~~^
In file included from /usr/include/c++/10/istream:991,
                 from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/bits/istream.tcc:963:5: note: candidate: 'template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)'
  963 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/10/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   mismatched types '_CharT2*' and 'std::map<int, int>'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                                   ^
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/istream:803:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)'
  803 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/10/istream:803:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   cannot convert 'p[i]' (type 'std::map<int, int>') to type 'unsigned char*'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                              ~~~~~^
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/istream:808:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)'
  808 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/10/istream:808:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   cannot convert 'p[i]' (type 'std::map<int, int>') to type 'signed char*'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                              ~~~~~^
In file included from /usr/include/c++/10/fstream:38,
                 from met.cpp:38:
/usr/include/c++/10/istream:980:5: note: candidate: 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&)'
  980 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/10/istream:980:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/istream: In substitution of 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = std::map<int, int>&]':
met.cpp:74:51:   required from here
/usr/include/c++/10/istream:980:5: error: no type named 'type' in 'struct std::enable_if<false, std::basic_istream<char>&>'
In file included from met.cpp:42:
/usr/include/c++/10/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++/10/iomanip:71:5: note:   template argument deduction/substitution failed:
met.cpp:74:51: note:   cannot convert 'p[i]' (type 'std::map<int, int>') to type 'std::_Resetiosflags'
   74 |     for( int i = 1 ; i <= n ; i++ ) { cin >> p[ i ] ; ANS[ i ] = 1e9 ; }
      |                                              ~~~~~^
In file included from met.cpp:42:
/usr/include/c++/10/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>