Cod sursa(job #1903735)
| Utilizator | Data | 5 martie 2017 12:43:19 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.44 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int MOD=1999999973;
long long x, p;
long long pow(long long x,long long p)
{
long long rez=1;
for(int i=0;(1<<i)<=p;i++)
{
if(p&(1<<i))
rez=(x*rez)%MOD;
x=(x*x)%MOD;
}
return rez;
}
int main()
{
fin>>x>>p;
fout<<pow(x, p);
return 0;
}
