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#include<iostream>
#include<fstream>
#include<cstring>
#include<queue>
#include<vector>
#include<cstdio>
using namespace std;
const int PCT=100002;
vector<int> gr[PCT];
int cost[PCT];
queue<int> q;
void bfs(int n,int s)
{
q.push(s);
cost[s]=0;
int poz,i;
while(q.size())
{
poz=q.front();
q.pop();
for(i=0;i<gr[poz].size();++i)
{
if(cost[gr[poz][i]]==-1)
{
cost[gr[poz][i]]=cost[poz]+1;
q.push(gr[poz][i]);
}
}
}
FILE*so=fopen("bfs.out","w");
for(i=1;i<=n;++i)
{
fprintf(so,"%i ",cost[i]);
//cout<<cost[i]<<' ';
}
fprintf(so,"\n");
}
int main()
{
//ifstream si;
//si.open("bfs.in");
FILE*si=fopen("bfs.in","r");
//ofstream so;
//so.open("bfs.out");
int n,m,s;
fscanf(si,"%i %i %i",&n,&m,&s);
int i,a,c;
for(i=0;i<m;++i)
{
fscanf(si,"%i %i",&a,&c);
gr[a].push_back(c);
}
memset(cost,-1,sizeof cost);
bfs(n,s);
return 0;
}