Cod sursa(job #2634497)

Utilizator Iulia14iulia slanina Iulia14 Data 11 iulie 2020 10:59:50
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <fstream>

using namespace std;
ifstream cin ("stramosi.in");
ofstream cout ("stramosi.out");
int dp[20][250000];
int main()
{
    int n, m, i, j;
    cin >> n >> m;
    for (i = 1; i <= n; i++)
        cin >> dp[0][i];
    for (i = 1; (1 << i) <= n; i++)
        for (j = 1; j <= n; j++)
            dp[i][j] = dp[i - 1][dp[i - 1][j]];
    for (i = 1; i <= m; i++)
    {
        int p, q;
        cin >> q >> p;
        int bit = 0;
        while (p)
        {
            if (p % 2 == 1)
                q = dp[bit][q];
            bit++;
            p /= 2;
        }
        cout << q << '\n';
    }
    return 0;
}