Cod sursa(job #1586974)
Utilizator | Oniga Mihai Mihai9 | Data | 1 februarie 2016 19:15:37 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <cstdio>
#include <cstring>
const int m = 1999999973;
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
unsigned int i, n, p;
scanf("%d %d", &n, &p);
long long a=n, sol = 1;
for (i = 0; (1<<i) <= p; ++ i)
{
if ( ((1<<i) & p) > 0)
sol= (sol * a) % m;
a=(a * a) % m;
}
printf("%lld\n", sol);
}