Cod sursa(job #1256838)

Utilizator turbowin120Amarandei-Stanescu Alexandru turbowin120 Data 6 noiembrie 2014 22:14:15
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.68 kb
#include <stdio.h>
using namespace std;

int mat[18][200005];
int n,m;

int main()
{
    FILE *in,*out;
    in=fopen("stramos.in","r");
    out=fopen("stramos.out","w");
    fscanf(in,"%d%d",&n,&m);

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


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

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

    fclose(in);
    fclose(out);

    return 0;
}