Cod sursa(job #3139754)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 1 iulie 2023 13:13:48
Problema BFS - Parcurgere in latime Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.39 kb
#include<bits/stdc++.h>
using namespace std;
ifstream F("bfs.in");
ofstream G("bfs.out");
vector<int> v[100001];
int i,n,c[100001],q[100001],p,u=1,j,s;
int main()
{
    for(F>>n>>i>>s;F>>i>>j;v[i].push_back(j));
    for(c[s]=1,q[0]=s;p<u;++p)
        for(int j:v[q[p]])
            if(!c[j])
                c[j]=c[q[p]]+1,q[u++]=j;
    for(i=1;i<=n;G<<c[i++]-1<<' ');
    return 0;
}