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#include <cstdio>
#include <malloc.h>
int *Graph[100001], degree[100001], level[100001], u[1000001], v[1000001];
void BFS(int start)
{
int queue[100001], left = 0, right = 0, *p;
queue[0] = start;
level[start] = 1;
while(left <= right)
{
p = Graph[queue[left]] + 1;
int child = *p;
while(*p != -1)
{
if(!level[child])
{
queue[++right] = child;
level[child] = level[queue[left]] + 1;
}
++p;
}
++left;
}
}
int main()
{
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
int N, M, start;
scanf("%d %d %d", &N, &M, &start);
for(int i = 1; i <= M; i++)
{
scanf("%d %d", &u[i], &v[i]);
++degree[u[i]];
}
for(int i = 1; i <= N; ++i)
{
Graph[i] = (int*)malloc((degree[i] + 2) * sizeof(int));
Graph[i][degree[i] + 1] = -1;
degree[i] = 0;
}
for(int i = 1; i <= M; i++)
{
Graph[u[i]][++degree[u[i]]] = v[i];
}
BFS(start);
for(int i = 1; i <= N; i++)
{
printf("%d ", level[i] - 1);
}
return 0;
}