Cod sursa(job #1245282)

Utilizator cioionutFMI Ionut Ciocoiu cioionut Data 18 octombrie 2014 21:14:47
Problema Cerere Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.82 kb
#include<iostream>
#include<fstream>
#include<vector>
#include<queue>
#include<stack>

std::vector <int> v[1001];
std::vector <int> viz(1001, 0);
std::vector <int> niv(1001,0);
std::vector <int> sol(1001, 0);

void dfs(int top,int *a,int n)
{
	viz[top] = 1;
	n++;
	niv[n] = top;
	if (a[top] != 0)
	sol[top] = sol[niv[n - a[top]]] +1;
	for (int i = 0; i < v[top].size();i++)
	if (viz[v[top][i]] == 0) 
		dfs(v[top][i],a,n);
	
}
using namespace std;
int main()
{
	
	ifstream f("cerere.in");
	ofstream g("cerere.out");
	int n,i,j;
	f >> n;
	int *a = new int[n+1];
	for (i = 1; i <= n; i++) {
		f >> a[i]; 
	}
	while (!f.eof()) {
		f >> i >> j;
		v[i].push_back(j);
	}
	
	dfs(1,a,-1);
	
	for (int i = 1; i <= n; i++)
		g << sol[i] << " ";
	
	//cin.get();
	f.close();
	g.close();
	return 0;
}