Cod sursa(job #1099147)
Utilizator | Data | 5 februarie 2014 16:37:25 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include<cstdio>
using namespace std;
int i, n, p;
long long a, sol;
int main(){
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d%d", &n, &p);
sol=1; a=n;
for (i=0;(1<<i)<p;++i) {
if (((1<<i)&p)>0) sol=(sol*a)%1999999973;
a=(a*a)%1999999973;
}
printf("%lld\n", sol);
return 0;
}