Cod sursa(job #1689490)
Utilizator | Data | 14 aprilie 2016 12:12:13 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <iostream>
#include <fstream>
#define m 1999999973
using namespace std;
ifstream q("lgput.in");
ofstream w("lgput.out");
int main()
{unsigned int i,p;
long long s=1,a;
q>>a>>p;
cout<<a<<" "<<p;
for(i=0; (1<<i) <= p; i++)
{
if( (1<<i)&p ) s=(a*s)%m;
a=(a*a)%m;
}
w<<s;
return 0;
}