Cod sursa(job #3315388)

Utilizator popescu_georgePopescu George popescu_george Data 14 octombrie 2025 08:21:06
Problema BFS - Parcurgere in latime Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include<fstream>
#include<vector>
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
int c[100001],d[100000];
vector<int> v[100001];
int main()
{
    int k=0,m,n,s;
    for(cin>>n>>m>>s,c[s]=1,d[k++]=s;m--;) {
        int i,j;
        cin>>i>>j,v[i].push_back(j);
    }
    for(int i=0;i<k;++i)
        for(int j:v[d[i]])
            if(!c[j])
                c[j]=c[d[i]]+1,d[k++]=j;
    for(int i=1;i<=n;cout<<c[i++]-1<<' ');
    return 0;
}