# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
761199 | JANCARAPAN | 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 "combo.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define sz(a) (long long) a.size()
#define endl '\n'
#define dbg(a) cerr << #a << " = " << a << endl;
#define print(a) for (auto x : a) cerr << x << " "; cerr << endl;
const long long INF = 1e18, MOD = 1e9+7;
string guess_sequence(int n) {
string s = "";
vector<string> a = {"A", "B", "X", "Y"};
int it = 0;
if (press(a[1])) it = 1;
else if (press(a[2])) it = 2;
else if (press(a[3])) it = 3;
s += a[it];
int x = (it + 1) % 4, y = (it + 2) % 4, z = (it + 3) % 4;
for (int i = 1; i < n - 1; i++) {
int ans = press(s+a[x]+a[y] + s+a[x]+a[z] + s+a[x]+a[x] s+a[y]);
if (ans == sz(s) + 2) {
s += a[x];
}
else if (ans == sz(s) + 1) {
s += a[y];
}
else {
s += a[z];
}
}
if (press(s + a[x]) == sz(s) + 1) it = x;
else if (press(x + a[y]) == sz(s) + 1) it = y;
else it = z;
s += a[it];
return s;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)': combo.cpp:29:60: error: expected ')' before 's' 29 | int ans = press(s+a[x]+a[y] + s+a[x]+a[z] + s+a[x]+a[x] s+a[y]); | ~ ^~ | ) combo.cpp:42:22: error: no match for 'operator+' (operand types are 'int' and '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'}) 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/string:40, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:508:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)' 508 | operator+(typename reverse_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:508:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/string:40, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1540:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)' 1540 | operator+(typename move_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1540:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6022:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6022 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6022:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:56, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.tcc:1160:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 1160 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1160:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const _CharT*' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:56, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.tcc:1180:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 1180 | operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1180:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: deduced conflicting types for parameter '_CharT' ('int' and 'char') 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6059:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 6059 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6059:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6075:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)' 6075 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6075:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6087:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6087 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6087:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6093:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6093 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6093:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6099:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6099 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6099:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6121:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6121 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6121:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const _CharT*' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6127:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6127 | operator+(_CharT __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6127:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: deduced conflicting types for parameter '_CharT' ('int' and 'char') 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6133:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)' 6133 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6133:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6139:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)' 6139 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6139:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:2: /usr/include/c++/10/complex:331:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const std::complex<_Tp>&)' 331 | operator+(const complex<_Tp>& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:331:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::complex<_Tp>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:2: /usr/include/c++/10/complex:340:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const _Tp&)' 340 | operator+(const complex<_Tp>& __x, const _Tp& __y) | ^~~~~~~~ /usr/include/c++/10/complex:340:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::complex<_Tp>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:2: /usr/include/c++/10/complex:349:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const _Tp&, const std::complex<_Tp>&)' 349 | operator+(const _Tp& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:349:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:2: /usr/include/c++/10/complex:450:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&)' 450 | operator+(const complex<_Tp>& __x) | ^~~~~~~~ /usr/include/c++/10/complex:450:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::complex<_Tp>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from combo.cpp:2: /usr/include/c++/10/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)' 405 | _DEFINE_EXPR_BINARY_OPERATOR(+, __plus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from combo.cpp:2: /usr/include/c++/10/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)' 405 | _DEFINE_EXPR_BINARY_OPERATOR(+, __plus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from combo.cpp:2: /usr/include/c++/10/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 405 | _DEFINE_EXPR_BINARY_OPERATOR(+, __plus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed: combo.cpp:42:27: note: '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 42 | else if (press(x + a[y]) == sz(s) + 1) it = y; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from /var/local/lib/isola