Cod sursa(job #2467797)
Utilizator | Hulubei Tudor Tudol | Data | 5 octombrie 2019 08:20:44 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <bits/stdc++.h>
#define Mod 1999999973
using namespace std;
int LogP(int a,int n)
{
int p=1;
while(n>0)
{
if(n%2==1)
p=(p*4)%Mod;
a=(a*a)%Mod;
n/=2;
}
return p;
}
int main()
{
int a,n;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin>>a>>n;
fout<<LogP(a,n)<<" ";
return 0;
}