Cod sursa(job #2629326)
Utilizator | Data | 20 iunie 2020 09:27:37 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long a, b;
long long poww(int a, int b)
{
if(b==0) return 1;
if(b==1) return a;
long long x=poww(a, b/2)%MOD;
if(b%2) return x*x%MOD*a%MOD;
return x*x%MOD;
}
int main()
{
in>>a>>b;
out<<poww(a, b);
return 0;
}