Nu aveti permisiuni pentru a descarca fisierul grader_test20.ok

Cod sursa(job #3282302)

Utilizator brianabucur11Briana Bucur brianabucur11 Data 4 martie 2025 22:44:58
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <bits/stdc++.h>

using namespace std;

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

const int nmax=1e5+5;
int n, m, dp[25][nmax];

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