Cod sursa(job #2195408)

Utilizator radu.leonardoThe Doctor radu.leonardo Data 16 aprilie 2018 12:24:13
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.56 kb
#include <bits/stdc++.h>
using namespace std;
int N,M;
int DP[19][2500001];
ifstream f("stramosi.in");
ofstream g("stramosi.out");
 
int main()
{
    f>>N>>M;
    for(int i=1; i<=N; i++)
        f>>DP[0][i];
 
    for(int i=1; (1<<i)<=N; i++)
        for(int j=1; j<=N; j++)
            DP[i][j]=DP[i-1][DP[i-1][j]];
 
    for(int i=1; i<=M; i++)
    {
        int Q,P,power=0;
        f>>Q>>P;
        while(P!=0)
        {
 
            if(P%2) Q=DP[power][Q];
            power++;
            P/=2;
        }
        g<<Q<<'\n';
    }
}