Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
#define Priq priority_queue<int,vi,greater<int>>
#define pb push_back
#define mp make_pair
#define INF (1ll<<60)
signed main(){
  int N,M; cin>>N>>M;
  vii A(N,vi(N,INF));
  rep(i,0,M){
    int X,Y,Z; cin>>X>>Y>>Z;
    A[X-1][Y-1]=Z;
    A[Y-1][X-1]=Z;
  }
  vector<vector<bool>> F(N,vi(N));
  rep(i,0,N){
    vi memo(N);
    memo[i]=-1;
    priority_queue<pii,vector<pii>,greater<pii>> Q;
    Q.push(mp(0,i));
    vi B(N,MOD);
    B[i]=0;
    while(Q.size()>0){
      int X=Q.top().second,Y=Q.top().first;
      Q.pop();
      rep(j,0,N){
        if(B[j]>=Y+A[X][j]){
          B[j]=Y+A[X][j];
          Q.push(mp(Y+A[X][j],j));
          memo[i]=X;
        }
      }
    }
    rep(i,0,N){
      int P=i;
      while(memo[P]!=-1){
        F[P][memo[P]]=1;
        P=memo[P];
      }
    }
  }
  int ans=0;
  rep(i,0,N){
    rep(j,0,N){
      if(F[i][j])
        ans++;
    }
  }
  cout<<M-ans/2<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:27:33: error: no matching function for call to 'std::vector<std::vector<bool> >::vector(long long int&, std::vector<long long int>)'
   27 |   vector<vector<bool>> F(N,vi(N));
      |                                 ^
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:707:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
  707 |         vector(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:707:9: note:   template argument deduction/substitution failed:
a.cc:27:33: note:   deduced conflicting types for parameter '_InputIterator' ('long long int' and 'std::vector<long long int>')
   27 |   vector<vector<bool>> F(N,vi(N));
      |                                 ^
/usr/include/c++/14/bits/stl_vector.h:678:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; allocator_type = std::allocator<std::vector<bool> >]'
  678 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:678:43: note:   no known conversion for argument 1 from 'long long int' to 'std::initializer_list<std::vector<bool> >'
  678 |       vector(initializer_list<value_type> __l,
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:659:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, std::__type_identity_t<_Alloc>&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::__type_identity_t<_Alloc> = std::allocator<std::vector<bool> >]'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:659:23: note:   no known conversion for argument 1 from 'long long int' to 'std::vector<std::vector<bool> >&&'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |              ~~~~~~~~~^~~~
/usr/include/c++/14/bits/stl_vector.h:640:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; allocator_type = std::allocator<std::vector<bool> >; std::false_type = std::false_type]'
  640 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:640:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_vector.h:635:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; allocator_type = std::allocator<std::vector<bool> >; std::true_type = std::true_type]'
  635 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:635:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_vector.h:624:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, std::__type_identity_t<_Alloc>&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::__type_identity_t<_Alloc> = std::allocator<std::vector<bool> >]'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:624:28: note:   no known conversion for argument 1 from 'long long int' to 'const std::vector<std::vector<bool> >&'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |              ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:620:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
  620 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:620:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:601:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
  601 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:601:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:569:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const value_type&, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; size_type = long unsigned int; value_type = std::vector<bool>; allocator_type = std::allocator<std::vector<bool> >]'
  569 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:569:47: note:   no known conversion for argument 2 from 'std::vector<long long int>' to 'const std::vector<std::vector<bool> >::value_type&' {aka 'const std::vector<bool>&'}
  569 |       vector(size_type __n, const value_type& __value,
      |                             ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/14/bits/stl_vector.h:556:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; size_type = long unsigned int; allocator_type = std::allocator<std::vector<bool> >]'
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:556:51: note:   no known conversion for argument 2 from 'std::vector<long long int>' to 'const std::vector<std::vector<bool> >::allocator_type&' {aka 'const std::allocator<std::vector<bool> >&'}
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |                             ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:542:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; allocator_type = std::allocator<std::vector<bool> >]'
  542 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:542:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:531:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
  531 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:531:7: note:   candidate expects 0 arguments, 2 provided