Cod sursa(job #2286570)

Utilizator RaduXD1Nicolae Radu RaduXD1 Data 20 noiembrie 2018 14:48:02
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.48 kb
#include <fstream>
#include <cstring>
#include <algorithm>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int i,n,m,nod,poz,j,t[18][250001],aux;
int main(){
    fin>>n>>m;
    for(i=1;i<=n;i++)fin>>t[0][i];
    for(i=1,aux=2;aux<=n;i++,aux<<=1)for(j=1;j<=n;j++)t[i][j]=t[i-1][t[i-1][j]];
    for(i=1;i<=m;i++)
    {fin>>nod>>poz;j=0;
        while(poz){if(poz&1)nod=t[j][nod];poz>>=1;j++;};
        fout<<nod<<'\n';
    }
    return 0;
}