Cod sursa(job #1581789)
Utilizator | Data | 27 ianuarie 2016 09:58:25 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <stdio.h>
#define m 1999999997
using namespace std;
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
unsigned int n,p;
long long nr,rez=1;
scanf("%d%d",&n,&p);
nr=n;
for(int i=0;(1<<i)<=p;++i)
{
if((1<<i)&p)
rez=(rez*nr)%m;
nr=(nr*nr)%m;
}
printf("%lld",rez);
}