Cod sursa(job #1336330)
Utilizator | Data | 7 februarie 2015 16:53:43 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long x,n,N,i,modulo=1999999973;
long int calcul(int n)
{
if(n==1)
return x%modulo;
else
{
if(n%2==0)
{
i=calcul(n/2);
return (i*i)%modulo;
}
else
return (x*calcul(n-1))%modulo;
}
}
int main()
{
fin>>x>>N;
fout<<calcul(N);
return 0;
}