What is if else?
-Basically in C++, if else is used to check check condition.
or if else are called as conditional statement in C or C++ language.
What is Nested if else?
When any 'if else' are come inside any other if else then it is called nested if else.
Now we check a number is positive, if positive then check it is even or odd.
program:
#include< iostream>
using namespace std;
int main()
{
int n;
cout<<"Enter any number";
cin>>n;
if(n>0)
{
if(n%2==0)
cout<<"positive and even";
else
cout<<"positive and odd";
}
else
cout<<"Number is negative";
return 0;
}
Enter any number
2
positive or even
Enter any number
-23
Number is negative