| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 868549 | lolismek | Bitaro’s Party (JOI18_bitaro) | 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 <algorithm>
#include <iostream>
#include <vector>
#define pii pair <int, int>
using namespace std;
const int NMAX = 100000;
const int B = 317;
vector <int> adj[NMAX + 1];
vector <pii> t[NMAX + 1];
int from[NMAX + 1];
int dist[NMAX + 1];
bool no[NMAX + 1];
int main(){
int n, m, q;
cin >> n >> m >> q;
for(int i = 1; i <= m; i++){
int a, b;
cin >> a >> b;
adj[b].push_back(a);
}
for(int i = 1; i <= n; i++){
vector <int> curr;
for(int vec : adj[i]){
for(pii x : t[vec]){
if(from[x.second] == i){
dist[x.second] = max(dist[x.second], x.first + 1);
}else{
from[x.second] = i;
dist[x.second] = x.first + 1;
curr.push_back(x.second);
}
}
}
t[i].push_back({0, i});
for(int x : curr){
t[i].push_back({dist[x], x});
}
sort(t[i].begin(), t[i].end(), greater <pii>());
if((int)t[i].size() > B){
t[i].erase(t[i].begin() + B, t[i].end());
}
}
while(q--){
int node, nr;
cin >> node >> nr;
vector <int> bad;
for(int i = 1; i <= nr; i++){
int x;
cin >> x;
bad.push_back(x);
no[x] = true;
}
int ans = -1;
if((int)bad.size() > B){
vector <int> dp(n + 1, -1);
dp[node] = 0;
for(int i = node; i >= 1; i--){
if(dp[i] != -1){
if(i != bad){
ans = max(ans, dp[i]);
}
for(int vec : adj[i]){
dp[vec] = max(dp[vec], dp[i] + 1);
}
}
}
}else{
for(pii x : t[node]){
if(!no[x.second]){
ans = x.first;
break;
}
}
}
cout << ans << '\n';
for(int x : bad){
no[x] = false;
}
}
return 0;
}
/*
5 6 3
1 2
2 4
3 4
1 3
3 5
4 5
4 1 1
5 2 2 3
2 3 1 4 5
*/
Compilation message (stderr)
bitaro.cpp: In function 'int main()':
bitaro.cpp:74:26: error: no match for 'operator!=' (operand types are 'int' and 'std::vector<int>')
74 | if(i != bad){
| ~ ^~ ~~~
| | |
| int std::vector<int>
In file included from /usr/include/c++/10/utility:70,
from /usr/include/c++/10/algorithm:60,
from bitaro.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:
bitaro.cpp:74:29: note: mismatched types 'const std::pair<_T1, _T2>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/algorithm:61,
from bitaro.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:
bitaro.cpp:74:29: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/algorithm:61,
from bitaro.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:
bitaro.cpp:74:29: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/algorithm:61,
from bitaro.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:
bitaro.cpp:74:29: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/algorithm:61,
from bitaro.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:
bitaro.cpp:74:29: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::fpos<_StateT>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::allocator<_CharT>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const _CharT*' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/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 'int' 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 'int' 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 'int' 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 'int' 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 bitaro.cpp:2:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::istreambuf_iterator<_CharT, _Traits>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/vector:67,
from bitaro.cpp:3:
/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:
bitaro.cpp:74:29: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'int'
74 | if(i != bad){
| ^~~
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 bitaro.cpp:2:
/usr/include/c++/10/bits/allocator.h:197:7: note: candidate: 'bool std::operator!=(const std::allocator<int>&, const std::allocator<int>&)'
197 | operator!=(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:197:18: note: no known conversion for argument 1 from 'int' to 'const std::allocator<int>&'
197 | 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/algorithm:61,
from bitaro.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1080:5: 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>&)'
1080 | operator!=(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1080:5: note: template argument deduction/substitution failed:
bitaro.cpp:74:29: note: mismatched types 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' and 'int'
74 | if(i != bad){
| ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/algorithm:61,
from bitaro.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1088:5: 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>&)'
1088 | operator!=(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1088:5: note: template argument deduction/substitution failed:
bitaro.cpp:74:29: note: mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'int'
74 | if(i != bad){
| ^~~
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 /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 bitaro.cpp:2:
/usr/include/c++/10/ext/new_allocator.h:178:2: note: candidate: 'template<class _Up> bool __gnu_cxx::operator!=(const __gnu_cxx::new_allocator<int>&, const __gnu_cxx::new_allocator<_Tp>&)'
178 | operator!=(const new_allocator&, const new_allocator<_Up>&)
| ^~~~~~~~
/usr/include/c++/10/ext/new_allocator.h:178:2: note: template argument deduction/substitution failed:
bitaro.cpp:74:29: note: 'std::vector<int>' is not derived from 'const __gnu_cxx::new_allocator<_Tp>'
74 | if(i != bad){
| ^~~