How can I improve my time limit for this program?
Kindly help,thank you!
#include<bits/stdc++.h>
using namespace std;
int main()
{
int num,guess,a,b;
cin>>a>>b;
srand(num>0);
num=rand()%b+a;
do
{
cin>>guess;
if(guess<num)
cout<<"LOW"<<endl;
else if(guess>num)
cout<<"HIGH"<<endl;
}
while(guess!=num);
return 0;
}