Cod sursa(job #2093254)

Utilizator NesteazyNastasia Alexandru Nesteazy Data 23 decembrie 2017 12:06:59
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include<fstream>
using namespace std;
ifstream in("stramosi.in");
ofstream out("stramosi.out");
int A;
int N[250001][250001]={0};
int q,p;
int M;
void read()
{
	in>>A>>M;
	for(int i=1;i<=A;i++) in>>N[i][0];
}

int stramos(int q,int p) //al p-lea al lui q
{
	int t=0;
	int aux=q;
	while(q&&p)
	{
		
		q=N[q][0];p--;t++;
		N[aux][t]=q;	
	}
	if(!p) return q;
	return 0;
}

int stramos2(int q,int p)
{
	int t=p;
	for(int i=1;i<=t&&N[q][i];i++)
		p--;
	return stramos(q,p);
	
	
	
}









int main()
{
	read();
	for(int i=1;i<=M;i++)
	{
		in>>q>>p;
		out<<stramos2(q,p)<<endl;
	}
	
	
	
}