Cod sursa(job #1356953)
Utilizator | Data | 23 februarie 2015 17:50:57 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p,sol;
fin>>n>>p;
sol=1;
while(p>0)
{
if(p&1)
{
p--;
sol=(n*sol)% mod;
}
n=(n*n)%mod;
p>>=1;
}
fout<<sol;
return 0;
}