Cod sursa(job #1508301)

Utilizator OlivianOlivian Dan Cretu Olivian Data 22 octombrie 2015 14:41:43
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include<cstdio>
using namespace std;
const long long MOD=19999973;
unsigned   n,p;
unsigned power(unsigned a,unsigned b)
{
    unsigned sol=1;
    for(;b;b>>1)
    {
        if(b&1) sol=(1LL*sol*a)%MOD;
        a=(1LL*a*a)%MOD;
    }
    return sol;
}
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%d %d",&n,&p);
    printf("%d\n",power(n,p));
}