# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
331934 | Yomapeed | Combo (IOI18_combo) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#define pi 3.141592653589793238
#include "combo.h"
#define MOD 1000000007
#define INF 999999999999999999
#define pb push_back
#define ff first
#define ss second
#define mp make_pair
#define mt make_tuple
#define ll long long
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
string guess_sequence(int n){
int i;
string ans = "";
vector<char> c = {'A', 'B', 'X', 'Y'};
if(press("A") == 1){
ans += 'A';
c.erase(c.begin());
}
else if(press("B") == 1){
ans += 'B';
c.erase(c.begin() + 1);
}
else if(press("X") == 1){
ans += 'X';
c.erase(c.begin() + 2);
}
else{
ans += 'Y';
c.erase(c.begin() + 3);
}
for(i = 1; i < n - 1; i++){
string a, b, c, d;
a = ans + c[0];
b = ans + c[1] + c[1];
c = ans + c[1] + c[2];
d = ans + c[1] + c[0];
ll val = press(a + b + c + d) - i;
if(val == 1){
ans += c[0];
}
else if(val == 2){
ans += c[1];
}
else{
ans += c[2];
}
}
if(press(ans + c[0]) == n){
ans += c[0];
}
else if(press(ans + c[1] == n){
ans += c[1];
}
else{
ans += c[2];
}
return ans;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)': combo.cpp:62:30: error: no match for 'operator==' (operand types are 'std::__cxx11::basic_string<char>' and 'int') 62 | else if(press(ans + c[1] == n){ | ^~ ~ | | | int In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1035 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1035:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1131:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)' 1131 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1131:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1206:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' 1206 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1206:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1298 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1298:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1373 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1373:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1466 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1466:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1545 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1545:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:2101:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)' 2101 | operator==(const match_results<_Bi_iter, _Alloc>& __m1, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:2101:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from combo.cpp:1: /usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 466 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:466:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::pair<_T1, _T2>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 360 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:360:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 398 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:398:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1427 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1495 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/iosfwd:40, from /usr/include/c++/10/ios:38, 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 combo.cpp:1: /usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)' 222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::fpos<_StateT>' 62 | else if(press(ans + c[1] == n){ | ^ In file included from /usr/include/c++/10/string:41, 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 combo.cpp:1: /usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)' 206 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::allocator<_CharT>' 62 | else if(press(ans + c[1] == n){ | ^ 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 combo.cpp:1: /usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 490 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:490:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 62 | else if(press(ans + c[1] == n){ | ^ 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 combo.cpp:1: /usr/include/c++/10/string_view:496:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' 496 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:496:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 62 | else if(press(ans + c[1] == n){ | ^ 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 combo.cpp:1: /usr/include/c++/10/string_view:519:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)' 519 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:519:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 62 | else if(press(ans + c[1] == n){ | ^ 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 combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6153:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6153 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6153:5: note: template argument deduction/substitution failed: combo.cpp:62:33: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 62 | else if(press(ans + c[1] == n){ | ^ 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 combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6161:5: note: can