Cod sursa(job #2509739)

Utilizator TudosieRazvanTudosie Marius-Razvan TudosieRazvan Data 14 decembrie 2019 18:00:03
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.52 kb
#include <stdio.h>
#define MOD 1999999973
using namespace std;

int n,p;
FILE *fin,*fout;

int ridicare_logaritmica(int n,int p)
{
    int r=1;
    while(p>0)
    {
        if(p%2==1)
        {
            r=(1ll)*r*n%MOD;
        }
        n=(1ll)*n*n%MOD;
        p=p/2;
    }
    return r;
}

int main()
{
    fin=fopen("lgput.in","r");
    fout=fopen("lgput.out","w");

    fscanf(fin,"%d %d",&n,&p);
    int rezultat=ridicare_logaritmica(n,p);
    fprintf(fout,"%d",rezultat);
    return 0;
}