# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1095391 | 2024-10-02T03:17:40 Z | Mathandski | Detecting Molecules (IOI16_molecules) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h> using namespace std; #define pb push_back #define is insert #define lb lower_bound #define ll long long #define V vector #define MS multiset #define PL pair<ll, ll> #define F first #define S second #define PQ priority_queue #define f0r(i, begin, end) for (ll i = begin; i < end; i ++) #define For(i, end, begin) for (ll i = end; i > begin; i --) #define all(x) x.begin(), x.end() #define INF 1000000000000000000 #define inf 1000000000 #define MOD 1000000007 #define len(x) (ll)x.size() #define fileread(file) ifstream fin; fin.open((string)file + ".in"); ofstream fout; fout.open((string)file + ".out") #define fastio ios_base::sync_with_stdio(0); cin.tie(nullptr) template<typename T> istream& operator>>(istream& in, vector<T>& a) {for(auto &x : a) in >> x; return in;}; template<typename T> ostream& operator<<(ostream& out, vector<T>& a) {for(auto &x : a) out << x << ' '; return out;}; V<int> find_subset (int l, int u, V<int> wi) { V<pair<int, int>> w; f0r (i, 0, len(wi)) { w.pb({wi[i], i}); } sort(all(w)); int N = len(w); ll lower = 0, upper = 0; f0r (siz, 1, N + 1) { lower += w[siz - 1].F; upper += w[N - siz].F; if (upper < l) continue; if (lower > u) break; // Gradually add ll left = 0, right = siz, tot = lower; while (tot < l) { tot += w[right].F; tot -= w[left].F; left ++; right ++; } V<int> output; f0r (j, left, right) { output.pb(w[j].S); } return output; } return {}; } int main () { int lower, upper, N; cin >> lower >> upper >> N; V<int> arr(N); cin >> arr; cout << find_subset(lower, upper, arr); }
Compilation message
molecules.cpp: In function 'int main()': molecules.cpp:64:10: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'std::vector<int>') 64 | cout << find_subset(lower, upper, arr); | ~~~~ ^~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | std::vector<int> | std::ostream {aka std::basic_ostream<char>} molecules.cpp:23:31: note: candidate: 'std::ostream& operator<<(std::ostream&, std::vector<_Tp>&) [with T = int; std::ostream = std::basic_ostream<char>]' (near match) 23 | template<typename T> ostream& operator<<(ostream& out, vector<T>& a) {for(auto &x : a) out << x << ' '; return out;}; | ^~~~~~~~ molecules.cpp:23:31: note: conversion of argument 2 would be ill-formed: molecules.cpp:64:24: error: cannot bind non-const lvalue reference of type 'std::vector<int>&' to an rvalue of type 'std::vector<int>' 64 | cout << find_subset(lower, upper, arr); | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/ostream:108:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 108 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ^~~~~~~~ /usr/include/c++/10/ostream:108:36: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)' {aka 'std::basic_ostream<char>& (*)(std::basic_ostream<char>&)'} 108 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/ostream:117:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]' 117 | operator<<(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/10/ostream:117:32: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} 117 | operator<<(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/10/ostream:127:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 127 | operator<<(ios_base& (*__pf) (ios_base&)) | ^~~~~~~~ /usr/include/c++/10/ostream:127:30: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::ios_base& (*)(std::ios_base&)' 127 | operator<<(ios_base& (*__pf) (ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ /usr/include/c++/10/ostream:166:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 166 | operator<<(long __n) | ^~~~~~~~ /usr/include/c++/10/ostream:166:23: note: no known conversion for argument 1 from 'std::vector<int>' to 'long int' 166 | operator<<(long __n) | ~~~~~^~~ /usr/include/c++/10/ostream:170:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 170 | operator<<(unsigned long __n) | ^~~~~~~~ /usr/include/c++/10/ostream:170:32: note: no known conversion for argument 1 from 'std::vector<int>' to 'long unsigned int' 170 | operator<<(unsigned long __n) | ~~~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:174:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 174 | operator<<(bool __n) | ^~~~~~~~ /usr/include/c++/10/ostream:174:23: note: no known conversion for argument 1 from 'std::vector<int>' to 'bool' 174 | operator<<(bool __n) | ~~~~~^~~ In file included from /usr/include/c++/10/ostream:784, from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/bits/ostream.tcc:91:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>]' 91 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/ostream.tcc:92:22: note: no known conversion for argument 1 from 'std::vector<int>' to 'short int' 92 | operator<<(short __n) | ~~~~~~^~~ In file included from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/ostream:181:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 181 | operator<<(unsigned short __n) | ^~~~~~~~ /usr/include/c++/10/ostream:181:33: note: no known conversion for argument 1 from 'std::vector<int>' to 'short unsigned int' 181 | operator<<(unsigned short __n) | ~~~~~~~~~~~~~~~^~~ In file included from /usr/include/c++/10/ostream:784, from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/bits/ostream.tcc:105:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>]' 105 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/ostream.tcc:106:20: note: no known conversion for argument 1 from 'std::vector<int>' to 'int' 106 | operator<<(int __n) | ~~~~^~~ In file included from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/ostream:192:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 192 | operator<<(unsigned int __n) | ^~~~~~~~ /usr/include/c++/10/ostream:192:31: note: no known conversion for argument 1 from 'std::vector<int>' to 'unsigned int' 192 | operator<<(unsigned int __n) | ~~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:201:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 201 | operator<<(long long __n) | ^~~~~~~~ /usr/include/c++/10/ostream:201:28: note: no known conversion for argument 1 from 'std::vector<int>' to 'long long int' 201 | operator<<(long long __n) | ~~~~~~~~~~^~~ /usr/include/c++/10/ostream:205:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 205 | operator<<(unsigned long long __n) | ^~~~~~~~ /usr/include/c++/10/ostream:205:37: note: no known conversion for argument 1 from 'std::vector<int>' to 'long long unsigned int' 205 | operator<<(unsigned long long __n) | ~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:220:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 220 | operator<<(double __f) | ^~~~~~~~ /usr/include/c++/10/ostream:220:25: note: no known conversion for argument 1 from 'std::vector<int>' to 'double' 220 | operator<<(double __f) | ~~~~~~~^~~ /usr/include/c++/10/ostream:224:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 224 | operator<<(float __f) | ^~~~~~~~ /usr/include/c++/10/ostream:224:24: note: no known conversion for argument 1 from 'std::vector<int>' to 'float' 224 | operator<<(float __f) | ~~~~~~^~~ /usr/include/c++/10/ostream:232:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 232 | operator<<(long double __f) | ^~~~~~~~ /usr/include/c++/10/ostream:232:30: note: no known conversion for argument 1 from 'std::vector<int>' to 'long double' 232 | operator<<(long double __f) | ~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:245:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]' 245 | operator<<(const void* __p) | ^~~~~~~~ /usr/include/c++/10/ostream:245:30: note: no known conversion for argument 1 from 'std::vector<int>' to 'const void*' 245 | operator<<(const void* __p) | ~~~~~~~~~~~~^~~ /usr/include/c++/10/ostream:250:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::nullptr_t) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::nullptr_t = std::nullptr_t]' 250 | operator<<(nullptr_t) | ^~~~~~~~ /usr/include/c++/10/ostream:250:18: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::nullptr_t' 250 | operator<<(nullptr_t) | ^~~~~~~~~ In file included from /usr/include/c++/10/ostream:784, from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/bits/ostream.tcc:119:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]' 119 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/ostream.tcc:120:34: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_ostream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'} 120 | operator<<(__streambuf_type* __sbin) | ~~~~~~~~~~~~~~~~~~^~~~~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from molecules.cpp:1: /usr/include/c++/10/bits/regex.h:1647:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&)' 1647 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1647:5: note: template argument deduction/substitution failed: molecules.cpp:64:42: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_Bi_iter>' 64 | cout << find_subset(lower, upper, arr); | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45, from molecules.cpp:1: /usr/include/c++/10/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(std::byte, _IntegerType)' 125 | operator<<(byte __b, _IntegerType __shift) noexcept | ^~~~~~~~ /usr/include/c++/10/cstddef:125:5: note: template argument deduction/substitution failed: molecules.cpp:64:5: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte' 64 | cout << find_subset(lower, upper, arr); | ^~~~ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/string_view:622:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::basic_string_view<_CharT, _Traits>)' 622 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/string_view:622:5: note: template argument deduction/substitution failed: molecules.cpp:64:42: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 64 | cout << find_subset(lower, upper, arr); | ^ In file included from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/bits/basic_string.h:6458:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6458 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6458:5: note: template argument deduction/substitution failed: molecules.cpp:64:42: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 64 | cout << find_subset(lower, upper, arr); | ^ In file included from /usr/include/c++/10/bits/ios_base.h:46, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from molecules.cpp:1: /usr/include/c++/10/system_error:262:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)' 262 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/10/system_error:262:5: note: template argument deduction/substitution failed: molecules.cpp:64:24: note: cannot convert 'find_subset(int, int, std::vector<int>)(upper, std::vector<int>(arr))' (type 'std::vector<int>') to type 'const std::error_code&' 64 | cout << find_subset(lower, upper, arr); | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/istream:39, from /usr/include/c++/10/ss