Submission #217043

#TimeUsernameProblemLanguageResultExecution timeMemory
217043sevlllStrange Device (APIO19_strange_device)C++17
Compilation error
0 ms0 KiB
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <queue> #include <bitset> #define pb push_back #define int long long #define int2 __int128_t #define str string using namespace std; const int M = 1e9 + 7; signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n, a, b; cin >> n >> a >> b; vector<pair<int2, int2>> pr(n); for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second; int2 g = gcd(a, b + 1); a /= g; int2 num = a * b; vector<pair<int2, int2>> ev; for (auto p : pr) { int2 l = p.first, r = p.second; if (r - l >= num - 1) { cout << (int) num; return 0; } l %= num; r %= num; if (r < l) { ev.pb({l, 1}); ev.pb({num, -1}); ev.pb({0, 1}); ev.pb({r + 1, -1}); } else { ev.pb({l, 1}); ev.pb({r + 1, -1}); } } sort(ev.begin(), ev.end()); int2 bal = 0; int2 last = 0; int ans = 0; for (auto p : ev) { for (auto p : ev) { int2 x = p.first; int2 type = p.second; if (bal) { ans += (x - last); } last = x; bal += type; } cout << ans; } }

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:36:37: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream<char>}' and '__int128')
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                 ~~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^~~~~~~~
/usr/include/c++/7/istream:120:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(__ios_type& (*__pf)(__ios_type&))
       ^~~~~~~~
/usr/include/c++/7/istream:124:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(ios_base& (*__pf)(ios_base&))
       ^~~~~~~~
/usr/include/c++/7/istream:131:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(bool& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:168:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(short& __n);
       ^~~~~~~~
/usr/include/c++/7/istream:172:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'short int&' to an rvalue of type 'short int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(unsigned short& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:175:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to an rvalue of type 'short unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(int& __n);
       ^~~~~~~~
/usr/include/c++/7/istream:179:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(unsigned int& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:182:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'unsigned int&' to an rvalue of type 'unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:186:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long int&' to an rvalue of type 'long int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(unsigned long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:190:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to an rvalue of type 'long unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(long long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:195:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long long int&' to an rvalue of type 'long long int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(unsigned long long& __n)
       ^~~~~~~~
/usr/include/c++/7/istream:199:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to an rvalue of type 'long long unsigned int'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(float& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:214:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'float&' to an rvalue of type 'float'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:218:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'double&' to an rvalue of type 'double'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(long double& __f)
       ^~~~~~~~
/usr/include/c++/7/istream:222:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: cannot bind non-const lvalue reference of type 'long double&' to an rvalue of type 'long double'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(void*& __p)
       ^~~~~~~~
/usr/include/c++/7/istream:235:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'void*' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
strange_device.cpp:36:46: error: cannot bind rvalue '(void*)((long int)pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first)' to 'void*&'
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/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>] <near match>
       operator>>(__streambuf_type* __sb);
       ^~~~~~~~
/usr/include/c++/7/istream:259:7: note:   conversion of argument 1 would be ill-formed:
strange_device.cpp:36:46: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}' [-fpermissive]
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
strange_device.cpp:36:37: note: candidate: operator>>(int, __int128) <built-in>
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                 ~~~~^~~~~~~~~~~~~~
strange_device.cpp:36:37: note:   no known conversion for argument 1 from 'std::istream {aka std::basic_istream<char>}' to 'int'
In file included from /usr/include/c++/7/string:53:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from strange_device.cpp:1:
/usr/include/c++/7/bits/basic_string.tcc:1465:5: 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, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and '__int128'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/istream:991:0,
                 from /usr/include/c++/7/iostream:40,
                 from strange_device.cpp:1:
/usr/include/c++/7/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*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   mismatched types '_CharT2*' and '__int128'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/istream:991:0,
                 from /usr/include/c++/7/iostream:40,
                 from strange_device.cpp:1:
/usr/include/c++/7/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&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   deduced conflicting types for parameter '_CharT' ('char' and '__int128')
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
                                              ^~~~~
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:756:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:756:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'unsigned char&'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:761:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)
     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:761:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'signed char&'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 from strange_device.cpp:1:
/usr/include/c++/7/istream:803:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:803:5: note:   template argument deduction/substitution failed:
strange_device.cpp:36:46: note:   cannot convert 'pr.std::vector<std::pair<__int128, __int128> >::operator[](((std::vector<std::pair<__int128, __int128> >::size_type)i)).std::pair<__int128, __int128>::first' (type '__int128') to type 'unsigned char*'
     for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
In file included from /usr/include/c++/7/iostream:40:0,
                 fr