Cod sursa(job #3282307)

Utilizator brianabucur11Briana Bucur brianabucur11 Data 4 martie 2025 22:51:24
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.61 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin ("stramosi.in");
ofstream fout ("stramosi.out");

const int nmax=25e4+5;
int n, m, dp[20][nmax];

int main()
{
    fin >> n >> m;
    for (int i=1; i<=n; i++)
        fin >> 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++)
    {
        int x, k;
        fin >> x >> k;
        for (int j=0; j<20; j++)
        {
            if (k>>j&1)
                x=dp[j][x];
        }
        fout << x << '\n';
    }
    return 0;
}