Cod sursa(job #1135657)
Utilizator | Data | 8 martie 2014 10:07:57 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
using namespace std;
const int modulo = 1999999973;
int a,b,p;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main() {
f>>a>>b;
p=1;
while(b!=0) {
if((b&1)==1) {
p*=a;
p%=modulo;
}
b>>=1;
a*=a;
a%=modulo;
}
g<<p%modulo<<"\n";
return 0;
}