Cod sursa(job #1607717)
Utilizator | Data | 21 februarie 2016 15:45:44 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout("lgput.out");
int n,p,i;
long long a,s;
int main()
{ fin>>n>>p;
a=n;
s=1;
for(i=0;(1<<i) <=p;i++)
{if(((1<<i)&p)>0)
s=(s*a)%MOD;
else
a=(a*a)%MOD;}
fout<<s;
return 0;
}