| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 579172 | Trisanu_Das | Kutije (COCI21_kutije) | 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 <bits/stdc++.h>
using namespace std;
int parent[1001];
int Find(int u){
if(u = parent[u]) return u;
return parent[u] = find(parent[u]);
}
void Unite(int u, int v){
u = find(u); v = find(v);
if(u == v) return;
parent[v] = u;
}
int main(){
int n, m, q;
cin >> n >> m >> q;
for(int i = 1; i <= n; i++)
{
par[i] = i;
}
for(int i = 1; i <= m; i++)
{
for(int j = 1; j <= n; j++)
{
int x;
cin >> x;
if(Find(x) != Find(j))
{
Unite(x, j);
}
}
}
for(int i = 1; i <= q; i++)
{
int a, b;
cin >> a >> b;
if(Find(a) != Find(b))
{
cout << "NE\n";
}
else
{
cout << "DA\n";
}
}
}
Compilation message (stderr)
Main.cpp: In function 'int Find(int)':
Main.cpp:7:8: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
7 | if(u = parent[u]) return u;
| ~~^~~~~~~~~~~
Main.cpp:8:36: error: no matching function for call to 'find(int&)'
8 | return parent[u] = find(parent[u]);
| ^
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Main.cpp:1:
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&)'
422 | find(istreambuf_iterator<_CharT> __first,
| ^~~~
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: template argument deduction/substitution failed:
Main.cpp:8:36: note: mismatched types 'std::istreambuf_iterator<_CharT>' and 'int'
8 | return parent[u] = find(parent[u]);
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: candidate: 'template<class _IIter, class _Tp> _IIter std::find(_IIter, _IIter, const _Tp&)'
3894 | find(_InputIterator __first, _InputIterator __last,
| ^~~~
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: template argument deduction/substitution failed:
Main.cpp:8:36: note: candidate expects 3 arguments, 1 provided
8 | return parent[u] = find(parent[u]);
| ^
In file included from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
| ^~~~
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: template argument deduction/substitution failed:
Main.cpp:8:36: note: candidate expects 4 arguments, 1 provided
8 | return parent[u] = find(parent[u]);
| ^
Main.cpp: In function 'void Unite(int, int)':
Main.cpp:12:13: error: no matching function for call to 'find(int&)'
12 | u = find(u); v = find(v);
| ^
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Main.cpp:1:
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&)'
422 | find(istreambuf_iterator<_CharT> __first,
| ^~~~
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: template argument deduction/substitution failed:
Main.cpp:12:13: note: mismatched types 'std::istreambuf_iterator<_CharT>' and 'int'
12 | u = find(u); v = find(v);
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: candidate: 'template<class _IIter, class _Tp> _IIter std::find(_IIter, _IIter, const _Tp&)'
3894 | find(_InputIterator __first, _InputIterator __last,
| ^~~~
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: template argument deduction/substitution failed:
Main.cpp:12:13: note: candidate expects 3 arguments, 1 provided
12 | u = find(u); v = find(v);
| ^
In file included from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
| ^~~~
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: template argument deduction/substitution failed:
Main.cpp:12:13: note: candidate expects 4 arguments, 1 provided
12 | u = find(u); v = find(v);
| ^
Main.cpp:12:26: error: no matching function for call to 'find(int&)'
12 | u = find(u); v = find(v);
| ^
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Main.cpp:1:
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&)'
422 | find(istreambuf_iterator<_CharT> __first,
| ^~~~
/usr/include/c++/10/bits/streambuf_iterator.h:422:5: note: template argument deduction/substitution failed:
Main.cpp:12:26: note: mismatched types 'std::istreambuf_iterator<_CharT>' and 'int'
12 | u = find(u); v = find(v);
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: candidate: 'template<class _IIter, class _Tp> _IIter std::find(_IIter, _IIter, const _Tp&)'
3894 | find(_InputIterator __first, _InputIterator __last,
| ^~~~
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: template argument deduction/substitution failed:
Main.cpp:12:26: note: candidate expects 3 arguments, 1 provided
12 | u = find(u); v = find(v);
| ^
In file included from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
| ^~~~
/usr/include/c++/10/pstl/glue_algorithm_defs.h:60:1: note: template argument deduction/substitution failed:
Main.cpp:12:26: note: candidate expects 4 arguments, 1 provided
12 | u = find(u); v = find(v);
| ^
Main.cpp: In function 'int main()':
Main.cpp:22:3: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'?
22 | par[i] = i;
| ^~~
| __pstl::execution::v1::par
In file included from /usr/include/c++/10/pstl/glue_algorithm_defs.h:15,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from Main.cpp:1:
/usr/include/c++/10/pstl/execution_defs.h:111:27: note: '__pstl::execution::v1::par' declared here
111 | constexpr parallel_policy par{};
| ^~~