Cod sursa(job #902968)
| Utilizator | Data | 1 martie 2013 17:46:26 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <fstream>
const int mod=1999999973;
using namespace std;
long long n,p;
long put(int n,int p,int mod)
{
long long w;
if (p==0)return 1;
if(p%2==0)
{
w=put(n,p/2,mod);
return (w*w)%mod;
}else
{
w=put(n,p-1,mod);
return (w*n)%mod;
}
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n>>p;
g<<put(n,p,mod);
return 0;
}
