Cod sursa(job #2595508)

Utilizator etienAndrone Stefan etien Data 7 aprilie 2020 20:39:48
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include<fstream>
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n,i,m,p,q,j,ex;
int mat[19][250001],stramos;
int main()
{
    fin>>n>>m;
    for(i=1; i<=n; i++)
    {
        fin>>mat[0][i];
    }
    for(j=1;j<=18;j++)
    {
        for(i=1;i<=n;i++)
            mat[j][i]=mat[j-1][mat[j-1][i]];
    }
    while(m--)
    {
        fin>>q>>p;
        stramos=q;
        ex=0;
        while(p)
        {
            if(p%2==1)
                stramos=mat[ex][stramos];
            p>>=1;
            ex++;
        }
        fout<<stramos<<"\n";
    }
}