Cod sursa(job #2574520)

Utilizator mirceatlxhaha haha mirceatlx Data 5 martie 2020 23:17:08
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.76 kb
#include <fstream>
#include <algorithm>
#define MaxVal 250005
using namespace std;

ifstream cin("stramosi.in");
ofstream cout("stramosi.out");

int N, M;
int dp[20][MaxVal];

int main()
{
    int query1, query2, pas;
    cin >> N >> M;
    for(int i = 1; i <= N; i++){
        cin >> dp[0][i];
    }
    for(int i = 1; i < 20; 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++){
        cin >> query1 >> query2;
        pas = 0;
        while(query2 != 0){
            if(query2 % 2 != 0){
                query1 = dp[pas][query1];
            }
            query2 >>= 1;
            ++pas;
        }
        cout << query1 << "\n";
    }
    return 0;
}