Cod sursa(job #2424281)
Utilizator | Data | 22 mai 2019 20:39:01 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
using namespace std;
ifstream cin ("lgput.in");
ofstream cout ("lgput.out");
int putere(int a,int b,int c)
{
long long ret = 1;
while(b)
{
if(b%2 == 1)
ret = ret * a % c;
a = a * a % c;
b /= 2;
}
return ret;
}
int main()
{
int a,b;
cin >> a >> b;
long long k = putere(a,b,1999999973);
cout << k;
return 0;
}