Submission #1186843

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186843		Unforgettablepl	Newspapers (CEOI21_newspapers)	C++20	Compilation error	0 ms	0 KiB

newspapers

#include <bits/stdc++.h>
using namespace std;

#define int long long


int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int N,M;
    cin >> N >> M;
    vector<vector<int>> adj(N+1);
    for(int i=1;i<=M;i++){
        int u,v;cin>>u>>v;
        adj[u].emplace_back(v);
        adj[v].emplace_back(u);
    }
    int maxDegree = 0;
    for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].size());
    if(M==N-1 and maxDegree<=2){
        cout<<"YES\n";
        cout << 2*N-1 << '\n';
        for(int i=1;i<=N;i++)cout<<i<<' ';
        for(int i=1;i<N;i++)cout<<N-i+1<<' ';
        cout << '\n';
    } else cout<<"NO\n";
}

Compilation message (stderr)

newspapers.cpp: In function 'int32_t main()':
newspapers.cpp:19:39: error: no matching function for call to 'max(long long int&, std::vector<long long int>::size_type)'
   19 |     for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].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 newspapers.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:
newspapers.cpp:19:39: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'})
   19 |     for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].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 newspapers.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:
newspapers.cpp:19:39: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'})
   19 |     for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].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 newspapers.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:
newspapers.cpp:19:39: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |     for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].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 newspapers.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:
newspapers.cpp:19:39: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |     for(int i=1;i<=N;i++)maxDegree=max(maxDegree,adj[i].size());
      |                                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~