Cod sursa(job #3206789)

Utilizator BreabanDanielBreaban Daniel-Vasile BreabanDaniel Data 24 februarie 2024 09:39:21
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <fstream>
#define NMAX 250009
using namespace std;\
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int dp[30][NMAX];
int tati[NMAX],n,m;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>tati[i];
        dp[0][i]=tati[i];
    }
    for(int i=1;(1<<i)<=n;i++)
        for(int j=1;j<=n;j++)
            dp[i][j]=dp[i-1][dp[i-1][j]];
    for(int i=1;i<=m;i++)
    {
        int p,q;
        fin>>p>>q;
        for(int i=0;(1<<i)<=q;i++)
        {
            if((1<<i)&q)
            {
                p=dp[i][p];
            }

        }
        fout<<p<<'\n';
    }
    return 0;
}