Cod sursa(job #382517)
| Utilizator | Data | 13 ianuarie 2010 20:14:23 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.39 kb |
#include <iostream>
#include <fstream>
using namespace std;
const long long c=1999999973;
long long n,p;
long long mod(long long n,long long p)
{
if(p==0) return 1;
if(p%2==1) return n*mod(n,p-1)%c;
else
{
long long g;
g=mod(n,p/2);
g*=g;
return g%c;
}
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n>>p;
g<<mod(n,p);
return 0;
}
