Cod sursa(job #3215325)
Utilizator | Data | 14 martie 2024 20:19:59 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int exp(int x, int y)
{
if(y==0)
return 1;
if(y==1)
return x;
int ans=exp(x,y/2)%mod;
if(y%2==0)
return (ans*ans)%mod;
else
return (ans*ans*x)%mod;
}
int main()
{
int a,b;
cin>>a>>b;
cout<<exp(a,b)%mod;
}