Cod sursa(job #795052)
Utilizator | Data | 7 octombrie 2012 15:35:53 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include<cstdio>
#define MOD 1999999973
using namespace std;
long long putere(long long, long long);
int main()
{
long long n, p;
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%lld %lld", &n, &p);
printf("%lld", putere(n, p));
return 0;
}
long long putere(long long n, long long p)
{
if(p == 1)
return n;
int x = putere(n, p/2);
if(p % 2)
{
return (x * x * n) % MOD;
}
else
{
return (x * x) % MOD;
}
}