# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
412649 | A_D | Parachute rings (IOI12_rings) | 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 <bits/stdc++.h>
using namespace std;
int n;
const int N=1e6+100;
vector<int> g[N];
int mx=0;
int me[N];
freq[7][7];
void Init(int N_) {
n = N_;
}
void Link(int a, int b){
if(mx>=5)return;
g[a].push_back(b);
g[b].push_back(a);
mx=max(mx,g[a].size());
mx=max(mx,g[b].size());
me[g[a].size()]++;
me[g[b].size()]++;
for(auto x:g[a]){
freq[g[a].size()][g[x].size()]++;
}
for(auto x:g[b]){
freq[g[b].size()][g[x].size()]++;
}
}
int CountCritical() {
if(mx>=5)return 0;
if(mx<=2)return n;
if(mx==4){
if(me[4]>1)return 0;
return freq[4][me[3]-1];
}
else{
return freq[3][me[3]-1];
}
}
Compilation message (stderr)
rings.cpp:12:1: error: 'freq' does not name a type; did you mean 'free'? 12 | freq[7][7]; | ^~~~ | free rings.cpp: In function 'void Link(int, int)': rings.cpp:22:26: error: no matching function for call to 'max(int&, std::vector<int>::size_type)' 22 | mx=max(mx,g[a].size()); | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 rings.cpp:3: /usr/include/c++/10/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++/10/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: rings.cpp:22:26: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'}) 22 | mx=max(mx,g[a].size()); | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 rings.cpp:3: /usr/include/c++/10/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++/10/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed: rings.cpp:22:26: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'}) 22 | mx=max(mx,g[a].size()); | ^ In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from rings.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)' 3480 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3480:5: note: template argument deduction/substitution failed: rings.cpp:22:26: note: mismatched types 'std::initializer_list<_Tp>' and 'int' 22 | mx=max(mx,g[a].size()); | ^ In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from rings.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)' 3486 | max(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3486:5: note: template argument deduction/substitution failed: rings.cpp:22:26: note: mismatched types 'std::initializer_list<_Tp>' and 'int' 22 | mx=max(mx,g[a].size()); | ^ rings.cpp:23:26: error: no matching function for call to 'max(int&, std::vector<int>::size_type)' 23 | mx=max(mx,g[b].size()); | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 rings.cpp:3: /usr/include/c++/10/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++/10/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: rings.cpp:23:26: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'}) 23 | mx=max(mx,g[b].size()); | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 rings.cpp:3: /usr/include/c++/10/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++/10/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed: rings.cpp:23:26: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'}) 23 | mx=max(mx,g[b].size()); | ^ In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from rings.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)' 3480 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3480:5: note: template argument deduction/substitution failed: rings.cpp:23:26: note: mismatched types 'std::initializer_list<_Tp>' and 'int' 23 | mx=max(mx,g[b].size()); | ^ In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from rings.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)' 3486 | max(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3486:5: note: template argument deduction/substitution failed: rings.cpp:23:26: note: mismatched types 'std::initializer_list<_Tp>' and 'int' 23 | mx=max(mx,g[b].size()); | ^ rings.cpp:27:9: error: 'freq' was not declared in this scope; did you mean 'free'? 27 | freq[g[a].size()][g[x].size()]++; | ^~~~ | free rings.cpp:30:9: error: 'freq' was not declared in this scope; did you mean 'free'? 30 | freq[g[b].size()][g[x].size()]++; | ^~~~ | free rings.cpp: In function 'int CountCritical()': rings.cpp:39:16: error: 'freq' was not declared in this scope; did you mean 'free'? 39 | return freq[4][me[3]-1]; | ^~~~ | free rings.cpp:42:16: error: 'freq' was not declared in this scope; did you mean 'free'? 42 | return freq[3][me[3]-1]; | ^~~~ | free