Conditional statements allow you to execute different blocks of code based on certain conditions. In C++, the if, else if, and else keywords are used for this purpose.

int num = 10;

if (num > 0) {
cout << “Number is positive”;
} else if (num == 0) {
cout << “Number is zero”;
} else {
cout << “Number is negative”;
}

In the above example, if num is greater than 0, the first block of code executes. If num is equal to 0, the second block executes. Otherwise, the third block executes.