Cod sursa(job #146299)
| Utilizator | Data | 1 martie 2008 15:25:42 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include <cstdio>
const int mod = 1999999973;
FILE *in = fopen("lgput.in","r"), *out = fopen("lgput.out","w");
long long n, p;
long long pow(long long x, long long y)
{
if ( !y )
return 1;
long long t = pow(x, y >> 1) % mod;
if ( (y & 1) )
return (long long)((t*t) % mod) * x;
else
return (long long)t*t;
}
int main()
{
fscanf(in, "%lld %lld", &n, &p);
fprintf(out, "%lld\n", pow(n, p) % mod);
return 0;
}
