Cod sursa(job #1295898)
| Utilizator | Data | 20 decembrie 2014 13:38:16 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.44 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
long long rp(long long x, long long y){
if(y==0) return 1;
if(y==1) return x;
if(y%2==0) return rp(x*x%mod,y/2)%mod;
return x*rp(x*x%mod,y/2)%mod;
}
int main()
{
long long a,b ;
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>a >> b;
g<<rp(a,b);
f.close();
g.close();
return 0;
}
