Cod sursa(job #584232)
Utilizator | Data | 24 aprilie 2011 18:42:03 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.35 kb |
#include<fstream>
#include<cmath>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{int a,b,i;
f>>a>>b;
if(b==0) g<<1;
else if(b==1) g<<a;
else if(a==0) g<<0;
else if(a==1) g<<1;
else
if(b%2==0) g<<pow(pow(a,b/2),2)%1999999973;
else if(b%2!=0) g<<(a*pow(pow(a,(b-1)/2),2) )%1999999973;
return 0;
}