Cin not working

Question

#include <iostream>
using namespace std;
int main()
{
int a;
cout <<"\n enter a no";
cin>>a;
cout<<a;
return 0;
}

Answer 1

Were you using the right playground?
link the code using the " + "
then select the code.
edit where are you running the code?

Answer 2

#include <iostream>
using namespace std;
int main()
{
int a;
cout <<"\n enter a no";
cin>>a;
cout<<a;
return 0;
}

Answer 3

cin not working

Answer 4

https://code.sololearn.com/cmIlYrsz23xO/?ref=app
works for me, make sure to enter only the number and nothing else