Cod sursa(job #2640674)
Utilizator | Data | 7 august 2020 12:56:29 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long mod=1999999973;
int lgput(int a, int b)
{
if ( b==0)
return 1;
int idk=lgput(a,b/2);
if ( b%2==0)
return 1LL*idk*idk%mod;
else
return ( 1LL* ((1LL * idk*idk)% mod)*a% mod)%mod;
}
int main()
{
int a,b;
in>>a>>b;
out<<lgput(a,b);
return 0;
}