| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 374942 | lakshith_ | 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 "combo.h"
std::string l;
std::string guess_sequence(int n){
int start = ' ';
std::string r = "";
if(press("AB")>=1){
if(press("A")>=1)start = 'A';
else start = 'B';
}else{
if(press("X")>=1)start = 'X';
else start = 'Y';
}
if(start == 'A'){
r += 'A';
l = "BXY";
}else if(start == 'B'){
r += 'B';
l = "AXY";
}else if(start == 'X'){
r += 'X';
l = "BAY";
}else{
r += 'Y';
l = "ABX";
}
if(n==1)return r;
int k = 1;
for(int i=1;i<n-1;i++){
std::string a,b,c,d;
a = r + l[0]+l[0];
b = r + l[0]+l[1];
c = r + l[0]+l[2];
d = r + l[1];
int p = press(a+b+c+d);
p -= k;
if(p==0){
r += l[2];
}else if(p==1){
r += l[1];
}else
{
r += l[0];
}
k++;
}
if(press(r+"A"+r+"B")>r.length()){
if(press(r+"A")>r.length())start = 'A';
else start = 'B';
}else{
if(press(r+"X")>r.length())start = 'X';
else start = 'Y';
}
return r+start;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:48:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | if(press(r+"A"+r+"B")>r.length()){
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
49 | if(press(r+"A")>r.length())start = 'A';
| ~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | if(press(r+"X")>r.length())start = 'X';
| ~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:55:17: error: no match for 'operator+' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
55 | return r+start;
| ~^~~~~~
| | |
| | int
| std::string {aka std::__cxx11::basic_string<char>}
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> 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:55:18: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
55 | return r+start;
| ^~~~~
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> 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:55:18: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
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:55:18: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
1160 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1160:5: note: template argument deduction/substitution failed:
combo.cpp:55:18: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
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:55:18: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, 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:55:18: note: mismatched types 'const _CharT*' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, _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:55:18: note: deduced conflicting types for parameter '_CharT' ('char' and 'int')
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
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:55:18: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
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:55:18: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
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:55:18: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
6121 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6121:5: note: template argument deduction/substitution failed:
combo.cpp:55:18: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
6127 | operator+(_CharT __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6127:5: note: template argument deduction/substitution failed:
combo.cpp:55:18: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, 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:55:18: note: mismatched types 'const _CharT*' and 'int'
55 | return r+start;
| ^~~~~
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, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, _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:55:18: note: deduced conflicting types for parameter '_CharT' ('char' and 'int')
55 | return r+start;
| ^~~~~
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:1185:5: note: candidate: 'template<class _Iterator, class _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::operator+(typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
1185 | operator+(typename __normal_iterator<_Iterator, _Container>::difference_type
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1185:5: note: template argument deduction/substitution failed:
combo.cpp:55:18: note: mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'int'
55 | return r+start;
| ^~~~~