Pagini recente » Cod sursa (job #848100) | Cod sursa (job #158455) | Cod sursa (job #1711099) | Cod sursa (job #2255798) | Cod sursa (job #999301)
Cod sursa(job #999301)
#include <fstream>
#include <vector>
#include <bitset>
using namespace std;
ifstream f("sortaret.in");
ofstream g("sortaret.out");
vector < int > G[50005];
int n, m, sol[50005], dim;
bitset < 50005 > viz;
void dfs(int nod)
{
viz[nod]=1;
for (int i=1; i<=G[nod].size(); ++i)
if (!viz[G[nod][i]]) dfs(G[nod][i]);
sol[++dim]=nod;
}
int main()
{
f>>n>>m;
for (int i=1; i<=m; ++i)
{
int x, y; f>>x>>y;
G[x].push_back(y);
}
for (int i=1; i<=n; ++i)
if (!viz[i]) dfs(i);
for (int i=dim; i>0; --i)
g<<sol[i]<<' ';
return 0;
}