Cod sursa(job #1193527)
Utilizator | Data | 31 mai 2014 22:45:26 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include<fstream>
using namespace std;
const long long MOD=1999999973;
long long power(long long x, long long n){
if(n==0)
return 1;
if(n==1)
return x%MOD;
long long p=power(x,n/2)%MOD;
if(n%2==0){
return p*p%MOD;
}
else
return p*p*x%MOD;
}
int main(){
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p;
fin>>n>>p;
fout<<power(n,p);
}