Cod sursa(job #2467824)
Utilizator | Ion Ceaun RosuPaul | Data | 5 octombrie 2019 08:50:21 |
---|---|---|---|
Problema | Invers modular | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.35 kb |
#include <fstream>
#define Mod 199999973
using namespace std;
ifstream fin("lginput.in");
ofstream fout("lginput.out");
int LogP(int a,int n)
{
int p=1;
while(n>1)
{
if(n%2==1)
p=1LL*(p*a)%Mod;
a*=a;
n/=2;
}
return p;
}
int main()
{
fout << LogP(2,4);
return 0;
}