Cod sursa(job #3181985)

Utilizator ShadowZoidPorojan Victor-Andrei ShadowZoid Data 8 decembrie 2023 16:17:11
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.66 kb
#include <fstream>
#include <algorithm>
#include <queue>
using namespace std;
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
int r[20][250005],e[250005],p,i,m,n,x,y;
int main()
{
    cin>>n>>m;
    for(i=1;i<=n;i++)
        cin>>r[0][i];
    for(p=1;(1<<p)<=n;p++)
        for(i=1;i<=n;i++)
    {
        r[p][i]=r[p-1][r[p-1][i]];
    }
    e[1]=0;
    for(i=2;i<=n;i++)
        e[i]=1+e[i/2];
    for(i=1;i<=m;i++)
    {
        cin>>x>>y;
        p=0;
        while(y!=0)
        {
            if(y%2==1)
                x=r[p][x];
            p++;
            y/=2;
        }
        cout<<x<<"\n";
    }
    return 0;
}