Cod sursa(job #2985845)
Utilizator | Data | 27 februarie 2023 11:41:21 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int M = 1999999973;
long long exp_rap(int a, int n)
{
if(n==0) return 1;
long long var=exp_rap(a,n/2);
if(n%2==0) return (var*var) % M;
else return (a*var*var)%M;
}
int main()
{
int a,n;
fin>>a>>n;
fout<<exp_rap(a,n);
}