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#include<cstdio>
#include<queue>
#define MAX_N 100000
using namespace std;
int d[MAX_N+1], n, m, S;
queue<int>Q;
struct nod
{
int val;
nod* next;
};
nod* L[MAX_N+1];
void Insert(int x, int y)
{
nod* elem = new nod;
elem->val = y;
elem->next = L[x];
L[x] = elem;
}
void Read()
{
int i, a, b;
FILE *fin = fopen("bfs.in","r");
fscanf(fin,"%d%d%d",&n,&m,&S);
for(i=1; i<=m; i++)
{
fscanf(fin,"%d%d",&a,&b);
Insert(a,b);
}
fclose(fin);
}
void Write()
{
FILE *fout = fopen("bfs.out","w");
for(int i=1; i<=n; i++)
fprintf(fout,"%d ",d[i]);
fprintf(fout,"\n");
fclose(fout);
}
void BFS(int x)
{
int Nod, i;
nod* p;
for(i=1; i<=n; i++)
d[i] = -1;
d[x] = 0;
Q.push(x);
while(!Q.empty())
{
Nod = Q.front();
Q.pop();
p = L[Nod];
while(p != NULL)
{
if(d[p->val] == -1)
{
d[p->val] = d[Nod] + 1;
Q.push(p->val);
}
p = p->next;
}
}
}
int main()
{
Read();
BFS(S);
Write();
return 0;
}