Cod sursa(job #1753209)
Utilizator | Data | 6 septembrie 2016 09:50:07 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long ridicarePutere(int n, int p){
if(p==0)
return 1;
if(p==1)
return n%1999999973;
if(p%2==0)
return (ridicarePutere(n,p/2)*ridicarePutere(n,p/2))%1999999973;
else
return ridicarePutere(n,p/2)*ridicarePutere(n,p/2)*n%1999999973;;
}
int main()
{ int n,p;
f>>n>>p;
g<<ridicarePutere(n,p)%1999999973;
return 0;
}