Cod sursa(job #703977)
Utilizator | Data | 2 martie 2012 15:45:56 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include<fstream>
using namespace std;
#define mod 1999999973
long long powe(long long a, long long b)
{
long long c;
if(b==0) return 1;
else
c=powe(a,b/2)%mod;
if(b%2==0)
return (c*c)%mod;
else
return ((c*c)%mod*a);
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,b;
f>>a>>b;
g<<powe(a,b)%mod;
}