Cod sursa(job #2370796)
Utilizator | Data | 6 martie 2019 13:46:28 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p;
const int r=1999999973;
long long lgput(long long n, long long p)
{
long long a=1;
while(p>0)
{
if(p&1)
{
a=(a*n)%r;
p--;
}
n=(n*n)%r;
p>>=1;
}
return a;
}
int main()
{
fin >> n >> p;
fout << lgput(n, p);
return 0;
}