Cod sursa(job #2562020)
Utilizator | Data | 29 februarie 2020 11:41:46 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long lgput(long long a,long long b)
{
if(!b)
return 1;
if(b%2)
return lgput(a*a%mod,b/2)*a%mod;
return lgput(a*a%mod,b/2)%mod;
}
int main()
{
/// cea mai buna exponentiere pe care am scris o vreodata
long long a,b;
fin>>a>>b;
fout<<lgput(a,b);
}