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#include <cstdio>
#include <algorithm>
#include <queue>
#include <vector>
using namespace std;
FILE* in=fopen("bfs.in", "r");
FILE* out=fopen("bfs.out", "w");
int n, m, s, d[100007];
vector<int> vecini[1000007];
queue<int> q;
void bfs(int nod)
{
d[nod]=1;
while(!q.empty())
{
nod=q.front();
q.pop();
for(int i=0; i<vecini[nod].size(); ++i)
{
if(d[vecini[nod][i]]==0||d[vecini[nod][i]]>d[nod]+1)
{
d[vecini[nod][i]]=d[nod]+1;
q.push(vecini[nod][i]);
}
}
}
}
int main()
{
fscanf(in, "%d%d%d", &n, &m, &s);
for(int i=1; i<=m; ++i)
{
int x, y;
fscanf(in, "%d%d", &x, &y);
vecini[x].push_back(y);
}
q.push(s);
bfs(s);
for(int i=1; i<=n; ++i)
{
fprintf(out, "%d ", d[i]-1);
}
}