Mai intai trebuie sa te autentifici.
Cod sursa(job #2187031)
Utilizator | Data | 26 martie 2018 10:03:53 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include <iostream>
#include <fstream>
using namespace std;
const int mod=1999999973;
int main()
{
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
int a,b,c=1;
fin>>a>>b;
if (b==0)
fout<<1;
else
{
while(b>1)
{
if (b%2==0)
{
a*=a;
a%=mod;
b/=2;
}
else
{
c*=a;
c%=mod;
b--;
}
}
fout<<(c*a)%mod;
}
return 0;
}