Pagini recente » Cod sursa (job #3352956) | Cod sursa (job #1371807) | Cod sursa (job #1964191) | Cod sursa (job #279474) | Cod sursa (job #3317170)
#include <bits/stdc++.h>
using namespace std;
vector<int> G[100];
vector<int> dist(100, -1);
void BFS(int v) {
queue<int> Q;
Q.push(v);
dist[v] = 0;
while (!Q.empty()) {
int c = Q.front();
Q.pop();
for (int n : G[c]) {
if (dist[n] == -1) {
dist[n] = dist[c] + 1;
Q.push(n);
}
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
int n, m, s;
cin >> n >> m >> s;
for (int i = 1; i <= m; ++i) {
int x, y;
cin >> x >> y;
G[x].push_back(y);
}
BFS(s);
for (int i = 1; i <= n; ++i) {
cout << dist[i] << ' ';
}
return 0;
}