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#include <cstdio>
#include <vector>
#include <cstring>
#include <queue>
using namespace std;
vector <int> lv[100001];
queue <int> q;
int used[1000001],lenght[100001];
void bfs(int nod)
{
int i;
memset(used,-1,sizeof(used));
q.push(nod);
used[nod]=0;
while(!q.empty())
{
for(i=0;i<lenght[q.front()];i++)
{
if(used[lv[q.front()][i]]==-1)
{
q.push(lv[q.front()][i]);
used[q.back()]=used[q.front()]+1;
}
}
q.pop();
}
}
int main()
{
FILE *f=fopen("bfs.in","r");
FILE *g=fopen("bfs.out","w");
int i,n,m,s;
fscanf(f,"%d%d%d",&n,&m,&s);
int x,y;
for(i=1;i<=m;i++)
{
fscanf(f,"%d%d",&x,&y);
lv[x].push_back(y);
}
for(i=1;i<=n;i++)
lenght[i]=lv[i].size();
bfs(s);
for(i=1;i<=n;i++)
fprintf(g,"%d ",used[i]);
return 0;
}