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#include <fstream>
#include<queue>
using namespace std;
queue <int> q;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int **aloca(int n)
{
int **a;
a = new int*[n];
for (int i = 0; i < n; i++)
a[i] = new int[n];
return a;
}
/*int ins_coada(int *coada, int n, int s)
{
coada[n] = s;
return ++n;
}*/
/*int excl_coada(int *coada, int n, int *s)
{
*s = coada[0];
for (int i = 0; i < n-1; i++)
coada[i] = coada[i + 1];
return --n;
}*/
int **dezaloca(int **a, int n)
{
for (int i = 0; i < n; i++)
delete a[i];
delete a;
return a;
}
void bfs(int **a, int n, int s)
{
int *m, *p;
p = new int[n];
for (int i = 0; i < n; p[i++] = -1);
//coada = new int[n];
m = new int[n];
int nr;
for (int i = 0; i < n; m[i++] = 0);
s = s - 1;
q.push(s);
m[s] = 1;
p[s] = 0;
int cost = 0;
while (!q.empty())
{
s = q.front();
q.pop();
//nr = excl_coada(coada, nr, &s);
cost = p[s];
for(int i=0; i<n; i++)
if (a[s][i] == 1 && m[i] == 0)
{
q.push(i);
//nr = ins_coada(coada, nr, i);
p[i] = cost + 1;
m[i] = 1;
}
}
for (int i = 0; i < n; i++)
fout << p[i] << " ";
delete p;
delete m;
//delete coada;
}
int main()
{
int m, n, t, **a;
fin >> n >> m >> t;
a = aloca(n);
for (int i = 0; i < n; i++)
for (int j = 0; j < n; j++)
a[i][j] = 0;
for (int i = 0; i < m; i++)
{
int x, y;
fin >> x >> y;
a[x - 1][y - 1] = 1;
}
bfs(a, n, t);
a = dezaloca(a, n);
return 0;
}