Cod sursa(job #2260859)

Utilizator marcudanfDaniel Marcu marcudanf Data 15 octombrie 2018 18:02:14
Problema Cerere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.93 kb
#include <fstream>
#include <vector>
using namespace std;
ifstream fin("cerere.in");
ofstream fout("cerere.out");
const int NMax = 100000;
vector <int> G[NMax + 5],Stack;
int N,M,Root;
bool Use[NMax + 5];
int K[NMax + 5],Sol[NMax + 5];
void Read()
{
    fin >> N;
    for(int i = 1; i <= N; ++i)
        fin >> K[i];
    for(int i = 1; i < N; ++i)
    {
        int x,y;
        fin >> x >> y;
        Use[y] = 1;
        G[x].push_back(y);
    }
    for(int i = 1; i <= N; ++i)
        if(!Use[i])
            Root = i;
}

void DFS(int Nod)
{
    Stack.push_back(Nod);
    if(K[Nod])
    Sol[Nod] = 1 + Sol[Stack[Stack.size() - 1 - K[Nod]]];
    for(auto Vecin : G[Nod])
    {
        DFS(Vecin);
    }
    Stack.pop_back();
}

void Print()
{
    for(int i = 1; i <= N; ++i)
        fout << Sol[i] << " ";
    fout << "\n";
}

int main()
{
    Read();
    DFS(Root);
    Print();
    return 0;
}