Nu aveti permisiuni pentru a descarca fisierul grader_test8.ok
Cod sursa(job #2444403)
Utilizator | Surani Adrian Therevengerking | Data | 31 iulie 2019 14:53:49 |
---|---|---|---|
Problema | Sortare topologica | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.73 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("sortaret.in");
ofstream fout("sortaret.out");
#define pb push_back
const int Nmax = 50000 + 5;
int n, m, dp[Nmax];
bool viz[Nmax];
vector<int>v[Nmax], p;
void sortt(int nod)
{
viz[nod] = 1;
for(auto i : v[nod])
if(!viz[i] && dp[i] > dp[nod] + 1)
{
dp[i] = dp[nod] + 1;
sortt(i);
}
p.pb(nod);
}
int main()
{
fin >> n >> m;
for(int i = 1, a, b; i <= m; ++i)
{
fin >> a >> b;
v[a].pb(b);
}
for(int i = 1; i <= n; ++i)dp[i] = 1 << 30;
for(int i = 1; i <= n; ++i)
if(!viz[i])dp[i] = 0, sortt(i);
for(int i = p.size() - 1; i >= 0; --i)
fout << p[i] << ' ';
return 0;
}