Cod sursa(job #3264770)

Utilizator iccjocIoan CHELARU iccjoc Data 23 decembrie 2024 20:01:34
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.65 kb
#include <fstream>
using namespace std;
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
int d[25][250005];
int main()
{
    int n, q;
    cin >> n >> q;
    for(int i = 1; i <= n; i++)
    {
        cin >> d[0][i];
    }
    for(int i = 1; i <= 20; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            d[i][j] = d[i-1][d[i-1][j]];
        }
    }
    for(int i = 1; i <= q; i++)
    {
        int x, y;
        cin >> x >> y;
        for(int j = 0; j <= 20; j++)
        {
            if((y & (1 << j)))
            {
                x = d[j][x];
            }
        }
        cout << x << "\n";
    }
}