Cod sursa(job #2200777)
Utilizator | Data | 2 mai 2018 16:08:58 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,k;
long long ridput(long long x, long long n)
{ if(x==0) return 0;
if(n==0) return 1;
if(n%2) return x*ridput(x,n-1)%1999999973;
long long y=ridput(x,n/2);
return y*y;
}
int main()
{ f>>a>>k;
g<<ridput(a,k);
return 0;
}