Cod sursa(job #2194820)
Utilizator | Data | 14 aprilie 2018 13:45:15 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.in");
#define MOD 1999999973
int put(int x, int p)
{
int ans=1;
while(p>0)
{
if(p&1) //p%2!=0
ans=1ll*ans*x%MOD;
x=1ll*x*x%MOD;
p=(p>>1); //p=p/2
}
return ans;
}
int main()
{
int n,p;
in>>n>>p;
out<<put(n,p);
return 0;
}