Cod sursa(job #2516513)

Utilizator Rares31100Popa Rares Rares31100 Data 31 decembrie 2019 20:25:00
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.58 kb
#include <bits/stdc++.h>

using namespace std;

ifstream in("stramosi.in");
ofstream out("stramosi.out");

int n,m,baza;
int stram[19][250001];

int main()
{
    in>>n>>m;
    baza=log2(n)+1;

    for(int j=1;j<=n;j++)
        in>>stram[1][j];

    for(int i=2;i<=baza;i++)
        for(int j=1;j<=n;j++)
            stram[i][j]=stram[i-1][ stram[i-1][j] ];

    for(int nod,p,i=1;i<=m;i++)
    {
        in>>nod>>p;

        for(int j=0;j<=baza;j++)
            if(p&(1<<j))
                nod=stram[j+1][nod];

        out<<nod<<'\n';
    }

    return 0;
}