Cod sursa(job #1257312)

Utilizator turbowin120Amarandei-Stanescu Alexandru turbowin120 Data 7 noiembrie 2014 16:37:04
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.76 kb
#include <stdio.h>
#include <iostream>
#include <fstream>
using namespace std;

int mat[20][250001];
int n,m;

int main()
{
    FILE *in,*out;
    in=fopen("stramos.in","r");
    out=fopen("stramos.out","w");

    fscanf(in,"%d%d",&n,&m);
    //ifstream in("stramos.in");

    for(int i=1;i<=n;i++)
        //in>>mat[0][i];
        fscanf(in,"%d",&mat[0][i]);

    for(int i=1;i<=n;i++)
        for(int j=1;j<=17;j++)
             mat[j][i]=mat[j-1][mat[j-1][i]];

    int a, b, niv;
    for(int i=1;i<=m;i++){
        fscanf(in,"%d %d",&a,&b);
        //in>>a>>b;
        niv=0;
        while(b){
            if(b&1) a=mat[niv][a];
            niv++;
            b=b>>1;
        }
        fprintf(out,"%d\n",a);
    }

    return 0;
}