Cod sursa(job #1261086)
Utilizator | Data | 11 noiembrie 2014 22:15:52 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <cstdio>
#include <cstring>
const int n_max = 10001; // Definim numarul maxim de cifre al numerelor
const int m = 1999999973;
int main()
{
unsigned int i, n, p;
long long a, sol = 1;
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d %d", &n, &p);
a = n;
for (i=0;(1<<i)<=p;i++)
{
if (((1<<i) & p)>0)
sol=(sol*a)%m;
a=(a*a)%m;
}
printf("%lld\n",sol);
return 0;
}