Cod sursa(job #151612)
| Utilizator | Data | 8 martie 2008 14:18:33 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.36 kb |
#include<fstream>
using namespace std;
long long a,b;
const long long mod=1999999973;
long long put(long long a,long long b)
{
if(b==0) return 1;
if(b==1) return a;
long long c=put(a,b>>1);
c=(c*c)%mod;
if(b&1) c=(c*a)%mod;
return c;
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>a>>b;
g<<put(a,b);
g.close();
}
