Cod sursa(job #2910512)

Utilizator Gica-gicutaGeorge Gica-gicuta Data 21 iunie 2022 17:39:10
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.68 kb
#include <fstream>

using namespace std;
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
int v[250005];
int mat[20][250005];
int main()
{
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        cin>>mat[0][i];
    }
    for(int i=1;(1<<i)<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            mat[i][j]=mat[i-1][mat[i-1][j]];
        }
    }
    int a,b;
    for(int i=1;i<=m;i++)
    {
        cin>>a>>b;
        int ex=0;
        while(b>0)
        {
            if(b%2==1)
            {
                a=mat[ex][a];
            }
            ex++;
            b/=2;
        }
        cout<<a<<'\n';
    }
    return 0;
}