Cod sursa(job #2674151)
Utilizator | Data | 18 noiembrie 2020 18:11:10 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <fstream>
using namespace std;
const int mod=1999999973;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long powlg(long long a, long long p)
{
long long val=1,x=a%mod;
while(p>0)
if(p%2==0)
{
x=x*x%mod;
p/=2;
}
else
{
val=val*x%mod;
p--;
}
return val;
}
int main()
{
long long n,p;
f>>n>>p;
g<<powlg(n,p);
return 0;
}