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#include <stdio.h>
#define NMAX (100'000)
#define MMAX (1'000'000)
struct node_t
{
int begin;
int end;
};
struct edge_t
{
int v;
};
int n, m, s;
node_t nodes[NMAX];
edge_t edges[MMAX];
int alloc_edges(int n)
{
static int top = 0;
int ans = top;
top += n;
return ans;
}
void bfs(int s, int* distances)
{
static int queue[NMAX];
for(int i = 0; i < n; i++)
distances[i] = -1;
int top = 0;
queue[top++] = s;
distances[s] = 0;
for(int front = 0; front < top; front++)
{
int u = queue[front];
for(int i = nodes[u].begin; i != nodes[u].end; i++)
{
int v = edges[i].v;
if(distances[v] == -1)
{
queue[top++] = v;
distances[v] = distances[u] + 1;
}
}
}
}
int distances[NMAX];
struct
{
int u, v;
} _edges[MMAX];
int main()
{
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
scanf("%d %d %d", &n, &m, &s);
s--;
for(int i = 0; i < m; i++)
{
scanf("%d %d", &_edges[i].u, &_edges[i].v);
_edges[i].u--; _edges[i].v--;
nodes[_edges[i].u].end++;
}
for(int i = 0; i < n; i++)
{
nodes[i].begin = alloc_edges(nodes[i].end);
nodes[i].end = nodes[i].begin;
}
for(int i = 0; i < m; i++)
{
int u = _edges[i].u;
edges[nodes[u].end].v = _edges[i].v;
nodes[u].end++;
}
bfs(s, distances);
for(int i = 0; i < n; i++)
printf("%d ", distances[i]);
printf("\n");
return 0;
}