Cod sursa(job #2625928)

Utilizator CoakazeRotaru Catalin Coakaze Data 6 iunie 2020 10:56:13
Problema Stramosi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.63 kb
#include <iostream>
#include <fstream>
using namespace std;

int n, m, dp[19][250010], q, p, r, rez;

int main()
{
    ifstream f("stramosi.in");
    ofstream g("stramosi.out");
    f>>n>>m;
    int i, j;
    for(i=1; i<=n; i++)
        f>>dp[0][i];
    for(j=1; j<=18; j++)
        for(i = 1; i <= n; i++)
            dp[j][i] = dp[j - 1][dp[j - 1][i]];
    for(int i=1; i<=m; i++)
    {
        f>>q>>p;
        r = 0;
        rez = q;
        while(p != 0)
        {
            if(p % 2 != 0)
                rez = dp[r][rez];
            p = p >> 1;
            r++;
        }
        cout<<rez<<'\n';
    }
}