Cod sursa(job #2461737)

Utilizator KataIsache Catalina Kata Data 26 septembrie 2019 08:45:32
Problema Sortare topologica Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.63 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("sortaret.in");
ofstream fout("sortaret.out");
void afisare (int j);
vector <int> M[50002];
int vec[50002];
bool us[50002];
int main()
{
    int n,m,x,y,i,j;
    fin>>n>>m;
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        M[x].push_back(y);
        vec[y]++;
    }
   int afis=n;
    while(afis)
        {
         for(j=1;j<=n;j++)
            if(!vec[j] && !us[j])
            {
             fout<<j<<" ";
             us[j]=1; afis--;
             for(i=0;i<M[j].size();i++)
                 vec[M[j][i]]--;
             }
        }
    return 0;
}