Cod sursa(job #1317120)
Utilizator | Data | 14 ianuarie 2015 16:29:37 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <iostream>
#include <fstream>
#include <vector>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n,p,sol=1;
void ridicare(int p)
{
while(p)
if(p%2==1)
{
sol=n*sol;
sol=sol%mod;
n=(n*n)%mod;
p=p/2;
}
else
{
sol=n*sol;
sol=sol%mod;
p--;
}
}
int main()
{
fin>>n>>p;
ridicare(p);
fout<<sol%mod;
return 0;
}