Cod sursa(job #698409)
Utilizator | Data | 29 februarie 2012 13:52:10 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <cstdio>
const long long int mod = 1999999973;
long long int exponentiere(int n, int p)
{
n %= mod;
if (p == 1)
return n;
else
{
if (p % 2 == 1)
return (n * exponentiere(n * n, p / 2)) % mod;
else
return exponentiere(n * n, p / 2) % mod;
}
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
int n, p;
scanf("%d %d", &n, &p);
printf("%lld", exponentiere(n, p));
return 0;
}