Cod sursa(job #3183020)

Utilizator TeodorG8Cirstov Teodor TeodorG8 Data 10 decembrie 2023 14:15:09
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 n,m,r[21][250005],E[250005],k,x,y;
int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        cin>>r[0][i];
    E[1]=1;
    for(int i=2;i<=n;i++)
        E[i]=1+E[i/2];
    for(int p=1;(1<<p)<=n;p++)
    {
        for(int i=1;i<=n;i++)
            r[p][i]=r[p-1][r[p-1][i]];
    }
    for(int z=1;z<=m;z++)
    {
        cin>>x>>y;
        int k=0;
        while(y)
        {
            if(y%2==1)
                x=r[k][x];
            k++;
            y/=2;
        }
        cout<<x<<"\n";
    }
    return 0;
}