Cod sursa(job #148864)
Utilizator | Data | 4 martie 2008 22:13:18 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include <stdio.h>
#define MOD 1999999973
long long n, p;
long long pow(long long n, long long p)
{
long long aux;
if(p == 0) return 1;
if(p == 1) return n;
aux = (long long)(long long)pow(n, p/2) % MOD;
if(p%2) return (long long)((long long)aux*aux*n) % MOD;
return (long long)((long long)aux*aux) % MOD;
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%lld %lld", &n, &p);
printf("%lld\n", pow(n, p) % MOD);
return 0;
}