Cod sursa(job #2431016)
Utilizator | Data | 17 iunie 2019 17:55:49 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <iostream>
#include <fstream>
const int mod=1999999973;
using namespace std;
int ridicare(int a, int b)
{
if (b==0)
return 1;
if (b%2==1)
return a*(ridicare(a/2,(b-1)/2))%mod;
else
return (ridicare(a*a,b/2))%mod;
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a, b;
f>>a>>b;
g<<ridicare(a,b);
}