Cod sursa(job #1881025)

Utilizator dobrandreiAndrei Dobra dobrandrei Data 16 februarie 2017 09:08:47
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <stdio.h>

using namespace std;
FILE *f,*g;
int main()
{
    long long n,p,x=1999999973,rez=1;
    f=fopen("lgput.in","r");
    g=fopen("lgput.out","w");
    fscanf(f,"%lld %lld",&n,&p);
    while(p>0)
    {
        if(p%2==1)
        {
            rez=rez*n%x;
            p--;
        }
        n*=n;
        p/=2;
    }
    fprintf(g,"%lld",rez);
    fclose(f);
    fclose(g);
    return 0;
}