Cod sursa(job #1566452)
| Utilizator | Data | 12 ianuarie 2016 08:16:07 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.45 kb |
#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long lgput(long long n, long long p)
{
long long nd, s=1, a = n, i;
for(i=0; (i<<1)<=p;i++)
{
if(((1<<i) & p) > 0)
s=(s*a) % MOD;
a = (a*a) % MOD;
}
return s;
}
int main()
{
long long n,p;
in>>n>>p;
out<<lgput(n,p);
return 0;
}
