Cod sursa(job #1376404)
Utilizator | Data | 5 martie 2015 17:19:16 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int a,b;
int pow(int b,int p){
int sol=1;
while(p){
if(p&1)
sol=(sol*b)%mod;
b=(b*b)%mod;
p/=2;
}
return sol;
}
int main(){
fin>>a>>b;
a%=mod;
fout<<pow(a,b)<<"\n";
fin.close();fout.close();
return 0;
}