Cod sursa(job #2134216)

Utilizator MihaelaCismaruMihaela Cismaru MihaelaCismaru Data 17 februarie 2018 19:02:52
Problema Cerere Scor 90
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.38 kb
#include<fstream>
using namespace std;
ifstream in ("cerere.in");
ofstream out ("cerere.out");
int n,a,b,x,y,sol,normalizare[1000001],aux[30],stramos[100001],k[100001],stramosi[20][100001];
void afla (int nod) {
    if (normalizare[nod] != -1) {
        return;
    }
    if (stramos[nod] == nod) {
        normalizare[nod] = 0;
        return;
    }
    if (normalizare[stramos[nod]] == -1) {
        afla (stramos[nod]);
    }
    normalizare[nod] = normalizare[stramos[nod]] + 1;
    return;
}
int main (void) {
    in >> n;
    for (int i = 1; i <= n; i ++) {
        in >> k[i];
    }
    for (int i = 1; i < n; i ++) {
        in >> a >> b;
        stramosi[0][b] = a;
    }
    for (int i = 1; i < 20; i ++) {
        for (int j = 1; j <= n; j ++) {
            stramosi[i][j] = stramosi[i-1][stramosi[i-1][j]];
        }
    }
    for (int i = 1; i <= n; i ++) {
        x = k[i];
        y = 0;
        while (x > 0) {
            aux[++y] = x % 2;
            x /= 2;
        }
        stramos[i] = i;
        for (int j = y; j >= 1; j --) {
            if (aux[j] == 1) {
                stramos[i] = stramosi[j-1][stramos[i]];
            }
        }
    }
    for (int i = 1; i <= n; i ++) {
        normalizare[i] = -1;
    }
    for (int i = 1; i <= n; i ++) {
        afla (i);
        out << normalizare[i] <<" ";
    }
    return 0;
}