| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1143239 | snpmrnhlol | Triumphal arch (POI13_luk) | C++20 | Compilation error | 0 ms | 0 KiB |
#include<bits/stdc++.h>
using namespace std;
const int N = 3e5;
vector <int> e[N];
int main(){
int n;
cin>>n;
for(int i = 0;i < n - 1;i++){
cin>>u>>w;
u--;w--;
e[u].push_back(w);
e[w].push_back(u);
}
int ans = 0;
ans = max(ans, e[0].size());
for(int i = 1;i < n;i++){
ans = max(ans, e[i].size() - 1);
}
cout<<ans<<'\n';
return 0;
}
Compilation message (stderr)
luk.cpp: In function 'int main()':
luk.cpp:9:14: error: 'u' was not declared in this scope
9 | cin>>u>>w;
| ^
luk.cpp:9:17: error: 'w' was not declared in this scope
9 | cin>>u>>w;
| ^
luk.cpp:15:14: error: no matching function for call to 'max(int&, std::vector<int>::size_type)'
15 | ans = max(ans, e[0].size());
| ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
254 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed:
luk.cpp:15:14: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
15 | ans = max(ans, e[0].size());
| ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed:
luk.cpp:15:14: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
15 | ans = max(ans, e[0].size());
| ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
3461 | max(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: template argument deduction/substitution failed:
luk.cpp:15:14: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
15 | ans = max(ans, e[0].size());
| ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
3467 | max(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: template argument deduction/substitution failed:
luk.cpp:15:14: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
15 | ans = max(ans, e[0].size());
| ~~~^~~~~~~~~~~~~~~~~~
luk.cpp:17:18: error: no matching function for call to 'max(int&, std::vector<int>::size_type)'
17 | ans = max(ans, e[i].size() - 1);
| ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
254 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed:
luk.cpp:17:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
17 | ans = max(ans, e[i].size() - 1);
| ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed:
luk.cpp:17:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
17 | ans = max(ans, e[i].size() - 1);
| ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
3461 | max(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: template argument deduction/substitution failed:
luk.cpp:17:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
17 | ans = max(ans, e[i].size() - 1);
| ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from luk.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
3467 | max(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: template argument deduction/substitution failed:
luk.cpp:17:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
17 | ans = max(ans, e[i].size() - 1);
| ~~~^~~~~~~~~~~~~~~~~~~~~~