Cod sursa(job #2143541)

Utilizator sabinandreiBocan Sabin Andrei sabinandrei Data 26 februarie 2018 08:35:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>

using namespace std;
unsigned long long a,b,MOD,i,ans,pw;
int rise(unsigned long long a, unsigned long long  b) {
 if(b == 0) return 1;
 unsigned long long  x = rise(a, b / 2);
 if(b % 2 == 0) return (x * x) % MOD;
 return (((x * x) % MOD) * a) % MOD;
}
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main()
{in>>a>>b;
MOD=1999999973;
out<<rise(a,b);
  return 0;
}