Cod sursa(job #1656330)
Utilizator | Data | 19 martie 2016 10:12:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include <cstdio>
using namespace std;
#define MOD 1999999973
long long putere (long long n, long long p)
{
if(p == 0)
return 1;
if(p == 1)
return n % MOD;
long long x = (putere(n, p / 2) % MOD);
if(p % 2 == 0)
return (x * x) % MOD;
else
return (((x * x) % MOD) * n) % MOD;
}
int main()
{
int a,b;
fscanf(fopen("lgput.in","r"),"%d %d ",&a,&b);
fprintf(fopen("lgput.out","w"),"%lld\n",putere(a,b));
return 0;
}