| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 211039 | Seanliu | 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 <string>
#include "combo.h"
#include <vector>
#include <deque>
using namespace std;
const int maxN = 2e3 + 10;
int ans[maxN];
string c;
vector<int> tmp;
string getStr(){
string s = "";
for(int x : tmp) s += c[x];
return s;
}
std::string guess_sequence(int N) {
int r;
c = "";
string current = "AB";
r = press(current);
if(r){
current = "A";
r = press(current);
if(r) c = "ABXY";
else c = "BAXY";
} else {
current = "Y";
r = press(current);
if(r) c = "YABX";
else c = "XABY";
}
for(int i = 1; i < N - 1; i++){
tmp.clear();
for(int j = 0; j < i; j++) tmp.push_back(ans[j]);
tmp.push_back(1);
for(int j = 0; j < i; j++) tmp.push_back(ans[j]);
tmp.push_back(2);
tmp.push_back(1);
for(int j = 0; j < i; j++) tmp.push_back(ans[j]);
tmp.push_back(2);
tmp.push_back(2);
for(int j = 0; j < i; j++) tmp.push_back(ans[j]);
tmp.push_back(2);
tmp.push_back(3);
r = press(getStr());
if(r == i) ans[i] = 3;
else if(r == i + 1) ans[i] = 1;
else ans[i] = 2;
}
if(N == 1){
tmp.push_back(0);
return getStr();
}
tmp.clear();
for(int j = 0; j < N - 1; j++) tmp.push_back(ans[j]);
tmp.push_back(1);
for(int j = 0; j < N - 1; j++) tmp.push_back(ans[j]);
tmp.push_back(2);
if(press(getStr() == N){
tmp.clear();
for(int j = 0; j < N - 1; j++) tmp.push_back(ans[j]);
tmp.push_back(1);
if(press(getStr()) == N) return getStr();
tmp[N - 1] = 2;
return getStr();
}
tmp.clear();
for(int j = 0; j < N - 1; j++) tmp.push_back(ans[j]);
tmp.push_back(3);
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:63:5: warning: init-statement in selection statements only available with '-std=c++17' or '-std=gnu++17'
63 | if(press(getStr() == N){
| ^~~~~
combo.cpp:63:20: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
63 | if(press(getStr() == N){
| ~~~~~~~~ ^~ ~
| | |
| | int
| std::string {aka std::__cxx11::basic_string<char>}
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/string:40,
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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
63 | if(press(getStr() == N){
| ^
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> 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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
63 | if(press(getStr() == N){
| ^
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
63 | if(press(getStr() == N){
| ^
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
63 | if(press(getStr() == N){
| ^
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> 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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/bits/char_traits.h:40,
from /usr/include/c++/10/string:40,
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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:41,
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:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:55,
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, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
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:63:23: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:55,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6161:5: note: candidate: 'template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)'
6161 | operator==(const basic_string<_CharT>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6161:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: mismatched types 'const std::__cxx11::basic_string<_CharT>' and 'int'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:55,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6175:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
6175 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6175:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: mismatched types 'const _CharT*' and 'int'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:55,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6216:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6216 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6216:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/vector:67,
from combo.cpp:3:
/usr/include/c++/10/bits/stl_vector.h:1892:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)'
1892 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1892:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::vector<_Tp, _Alloc>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/deque:67,
from combo.cpp:4:
/usr/include/c++/10/bits/stl_deque.h:2241:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
2241 | operator==(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_deque.h:2241:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::deque<_Tp, _Alloc>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/c++/10/string:41,
from combo.cpp:1:
/usr/include/c++/10/bits/allocator.h:192:7: note: candidate: 'bool std::operator==(const std::allocator<char>&, const std::allocator<char>&)'
192 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:192:18: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const std::allocator<char>&'
192 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~~~~~~~~~~~~~
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1064:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator==(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
1064 | operator==(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1064:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
63 | if(press(getStr() == N){
| ^
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.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1072:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator==(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
1072 | operator==(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1072:5: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
63 | if(press(getStr() == N){
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33,
from /usr/include/c++/10/bits/allocator.h:46,
from /usr/include/c++/10/string:41,
from combo.cpp:1:
/usr/include/c++/10/ext/new_allocator.h:171:2: note: candidate: 'template<class _Up> bool __gnu_cxx::operator==(const __gnu_cxx::new_allocator<char>&, const __gnu_cxx::new_allocator<_Tp>&)'
171 | operator==(const new_allocator&, const new_allocator<_Up>&)
| ^~~~~~~~
/usr/include/c++/10/ext/new_allocator.h:171:2: note: template argument deduction/substitution failed:
combo.cpp:63:23: note: mismatched types 'const __gnu_cxx::new_allocator<_Tp>' and 'int'
63 | if(press(getStr() == N){
| ^
combo.cpp:71:13: error: expected ')' before ';' token
71 | tmp.clear();
| ^
| )
combo.cpp:63:4: note: to match this '('
63 | if(press(getStr() == N){
| ^
combo.cpp:71:11: error: could not convert 'tmp.std::vector<int>::clear()' from 'void' to 'bool'
71 | tmp.clear();
| ~~~~~~~~~^~
| |
| void
combo.cpp:22:19: warning: control reaches end of non-void function [-Wreturn-type]
22 | string current = "AB";
| ^~~~