# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
856594 | 8pete8 | Combo (IOI18_combo) | C++14 | 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<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include "combo.h"
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define pb push_back
#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
string guess_sequence(int N){
char v[4]={'A','B','X','Y'};
string op="",ans="",tmp;
if(press("AB")){
if(press("A"))ans="A";
else ans="B";
}
else if(press("x"))ans="X";
else ans="Y";
if(N==1)return ans;
for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i];
for(int i=1;i<N-1;i++){
string a=ans+op[0]+op[1]+ans+op[0]+op[2]+ans+op[0]+op[0]+ans+op[1];
int b=press(a);
if(b==1)ans+=op[1];
else if(b==2)ans+=op[0];
else ans+=op[2];
}
for(int i=0;i<3;i++){
string v=ans+op[i];
if(i==2)ans=v;
else if(press(v)==N)ans=v;
}
return ans;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)': combo.cpp:41:32: error: no match for 'operator!=' (operand types are 'char' and 'std::string' {aka 'std::__cxx11::basic_string<char>'}) 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ~~~~^~~~~ | | | | | std::string {aka std::__cxx11::basic_string<char>} | char In file included from /usr/include/c++/10/iosfwd:40, from /usr/include/c++/10/ios:38, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/postypes.h:227:5: note: candidate: 'template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)' 227 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/postypes.h:227:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::fpos<_StateT>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 496 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:496:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::pair<_T1, _T2>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 372 | operator!=(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:372:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 410 | operator!=(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:410:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1444 | operator!=(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1444:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1501 | operator!=(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1501:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)' 213 | operator!=(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/10/bits/allocator.h:213:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::allocator<_CharT>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6229:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6229 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6229:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6242:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6242 | operator!=(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6242:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const _CharT*' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6254:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)' 6254 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6254:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ 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/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/system_error:398:3: note: candidate: 'bool std::operator!=(const std::error_code&, const std::error_code&)' 398 | operator!=(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/10/system_error:398:32: note: no known conversion for argument 1 from 'char' to 'const std::error_code&' 398 | operator!=(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/10/system_error:404:3: note: candidate: 'bool std::operator!=(const std::error_code&, const std::error_condition&)' 404 | operator!=(const error_code& __lhs, const error_condition& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/10/system_error:404:32: note: no known conversion for argument 1 from 'char' to 'const std::error_code&' 404 | operator!=(const error_code& __lhs, const error_condition& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/10/system_error:410:3: note: candidate: 'bool std::operator!=(const std::error_condition&, const std::error_code&)' 410 | operator!=(const error_condition& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/10/system_error:410:37: note: no known conversion for argument 1 from 'char' to 'const std::error_condition&' 410 | operator!=(const error_condition& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/10/system_error:415:3: note: candidate: 'bool std::operator!=(const std::error_condition&, const std::error_condition&)' 415 | operator!=(const error_condition& __lhs, | ^~~~~~~~ /usr/include/c++/10/system_error:415:37: note: no known conversion for argument 1 from 'char' to 'const std::error_condition&' 415 | operator!=(const error_condition& __lhs, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ In file included from /usr/include/c++/10/bits/locale_facets.h:48, from /usr/include/c++/10/bits/basic_ios.h:37, from /usr/include/c++/10/ios:44, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from combo.cpp:1: /usr/include/c++/10/bits/streambuf_iterator.h:233:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator!=(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)' 233 | operator!=(const istreambuf_iterator<_CharT, _Traits>& __a, | ^~~~~~~~ /usr/include/c++/10/bits/streambuf_iterator.h:233:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::istreambuf_iterator<_CharT, _Traits>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/deque:67, from /usr/include/c++/10/stack:60, from combo.cpp:2: /usr/include/c++/10/bits/stl_deque.h:2286:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator!=(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)' 2286 | operator!=(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_deque.h:2286:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::deque<_Tp, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/stack:61, from combo.cpp:2: /usr/include/c++/10/bits/stl_stack.h:343:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator!=(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)' 343 | operator!=(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_stack.h:343:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::stack<_Tp, _Seq>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/tuple:39, from /usr/include/c++/10/bits/stl_map.h:63, from /usr/include/c++/10/map:61, from combo.cpp:3: /usr/include/c++/10/array:278:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator!=(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' 278 | operator!=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two) | ^~~~~~~~ /usr/include/c++/10/array:278:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::array<_Tp, _Nm>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/bits/stl_map.h:63, from /usr/include/c++/10/map:61, from combo.cpp:3: /usr/include/c++/10/tuple:1448:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator!=(const std::tuple<_Tps ...>&, const std::tuple<_Args2 ...>&)' 1448 | operator!=(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/10/tuple:1448:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::tuple<_Tps ...>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/map:61, from combo.cpp:3: /usr/include/c++/10/bits/stl_map.h:1508:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator!=(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&)' 1508 | operator!=(const map<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_map.h:1508:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::map<_Key, _Tp, _Compare, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/map:62, from combo.cpp:3: /usr/include/c++/10/bits/stl_multimap.h:1173:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator!=(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&)' 1173 | operator!=(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_multimap.h:1173:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::multimap<_Key, _Tp, _Compare, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/vector:67, from combo.cpp:4: /usr/include/c++/10/bits/stl_vector.h:1937:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator!=(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' 1937 | operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1937:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/unordered_map:47, from combo.cpp:6: /usr/include/c++/10/bits/unordered_map.h:2097:5: note: candidate: 'template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> bool std::operator!=(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&)' 2097 | operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:2097:5: note: template argument deduction/substitution failed: combo.cpp:41:34: note: mismatched types 'const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>' and 'char' 41 | for(int i=0;i<4;i++)if(v[i]!=ans)op+=v[i]; | ^~~ In file included from /usr/include/c++/10/unordered_map:47, from combo.cpp:6: /usr/include/c++/10/bits/unordered_map.h:2111:5: note: candidat