Cod sursa(job #2923761)
Utilizator | Data | 18 septembrie 2022 18:35:15 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long exp(long x, long n){
if(n==0) return 1;
if(n%2==0) return (exp(x*x, n/2))%1999999973;
else return (x*exp(x*x,(n-1)/2))%1999999973;
}
int main()
{
long x, n;
fin>>x>>n;
fout<<exp(x,n);
return 0;
}