Cod sursa(job #2635116)

Utilizator popoviciAna16Popovici Ana popoviciAna16 Data 13 iulie 2020 13:50:52
Problema Cerere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.68 kb
#include <fstream>
#include <vector>
using namespace std;

ifstream fin("cerere.in");
ofstream fout("cerere.out");

int t[100001];
int k[100001];
vector <int> v[100001];
int s[100001];
int dp[100001];

void dfs(int r)
{
    s[++s[0]] = r;
    if (k[r] > 0)
        dp[r] = 1 + dp[s[s[0]-k[r]]];
    for (int i = 0; i<v[r].size(); i++)
        dfs(v[r][i]);
    s[0]--;
}

int main()
{
    int n, i, x, y;
    fin >> n;
    for (i = 1; i<=n; i++)
        fin >> k[i];
    for (i = 1; i<n; i++)
    {
        fin >> x >> y;
        t[y] = x;
        v[x].push_back(y);
    }
    int r = 1;
    for (r = 1; t[r]; r++);
    dfs(r);
    for (i = 1; i<=n; i++)
        fout << dp[i] << ' ';
    return 0;
}