Cod sursa(job #2956536)

Utilizator SabrinaGiuliaMacoveiciuc Sabrina Giulia SabrinaGiulia Data 19 decembrie 2022 18:45:02
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.66 kb
#include <bits/stdc++.h>

using namespace std;

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

int n,m,i,j,q,x,y;
int stramos[20][350002];

int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
    {
        f>>stramos[0][i];
    }
    for(i=1;(1<<i)<=n;i++)
    {
        for(j=i;j<=n;j++)
        {
            x=stramos[i-1][j];
            stramos[i][j]=stramos[i-1][x];
        }
    }
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        int nr=x;
        for(j=0;(1<<j)<=y;j++)
        {
            if(y&(1<<j))
            {
                nr=stramos[j][nr];
            }
        }
        g<<nr<<'\n';
    }
    return 0;
}