Or and not equal

Question

Why does this work?

#include 
#include 
using namespace std;
int main(){
string s=\"a\";
if((s==\"cm\")||(s==\"in\")||(s==\"ft\")||         


        

Answer 1

In your second case s != "cm" and of course the first cout is printed. To negate the check and the logic to remain the same, do it like this:

if((s!="cm")&&(s!="in")&&(s!="ft")&&(s!="m"))
        cout<<"I like "+s;
else
        cout<