Cod sursa(job #3293771)

Utilizator nistor_dora_valentinaNistor Dora Valentina nistor_dora_valentina Data 12 aprilie 2025 16:02:57
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.56 kb
#include <fstream>
#include <math.h>

using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n, m, i, j, rmq[21][100005], x, y, p, q;
int main()
{
    fin>>n>>m;
    for(i=1; i<=n; i++)
        fin>>rmq[0][i];
    for(i=1; i<=n; i++)
        for(j=1; j<=18; j++)
            rmq[j][i]=rmq[j-1][rmq[j-1][i]];
    while(m--)
    {
        fin>>q>>p;
        while(p)
        {
            int pow2=log2(p);
            p-=(1<<pow2);
            q=rmq[pow2][q];
        }
        fout<<q<<'\n';
    }
    return 0;
}