Cod sursa(job #2522062)
| Utilizator | Data | 11 ianuarie 2020 22:23:24 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.55 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p;
///varianta iterativa la functie;
long long putere(long long n, long long p)
{
int rez=1;
while(p>0)
if(p%2==0)
{
n=(n*n)%MOD;
p/=2;
}
else
{
rez=(rez*n)%MOD;
p--;
}
return rez;
}
int main()
{
f>>n>>p;
n=n%MOD;
g<<putere(n,p);
f.close();
g.close();
return 0;
}
