Cod sursa(job #1780114)
Utilizator | Data | 15 octombrie 2016 20:54:17 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int mod=1999999973;
typedef long long i64;
int main () {
i64 n, p;
fin>>n>>p;
i64 sol=1;
for (int i=1; i<=p; i*=2) {
if ((p&i)!=0) {
sol=(sol*n)%mod;
}
n=(n*n)%mod;
}
fout<<sol%mod<<"\n";
return 0;
}