Cod sursa(job #2834585)

Utilizator alessiamtr12Mitrica Alessia alessiamtr12 Data 17 ianuarie 2022 11:45:18
Problema Cerere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.8 kb
#include <fstream>
#include<vector>
#define NMAX 100001
using namespace std;
ifstream fin("cerere.in");
ofstream fout("cerere.out");
int n,m,w[NMAX],x,y,rad,sol[NMAX],st[NMAX];
bool viz[NMAX];
vector<int>v[NMAX];
void dfs(int k,int niv)
{
    viz[k]=1;
    st[niv]=k;
    sol[k]=sol[st[niv-w[k]]]+1;
    for(int i=0;i<v[k].size();i++)
    {
        int nod=v[k][i];
        if(viz[nod]==0)
            dfs(nod,niv+1);
    }
}
int main()
{
    fin>>n;
    for(int i=1;i<=n;i++)
        fin>>w[i];
    for(int i=1;i<n;i++)
    {
        fin>>x>>y;
        v[x].push_back(y);
        viz[y]=1;
    }
    for(int i=1;i<=n;i++)
    {
        if(viz[i]==0)
          rad=i;
        viz[i]=0;
    }
    dfs(rad,1);
    for(int i=1;i<=n;i++)
        fout<<sol[i]-1<<" ";
    return 0;
}