What is the result of logical or relational expression in C?

The result of a logical or relational expression in C is either 0 or 1. If the expression is true, the result is 1. If the expression is false, the result is 0.

Here's a step-by-step breakdown:

1. Logical expressions: These are formed using logical operators. The logical operators in C are && (logical AND), || (logical OR), and ! (logical NOT). For example, in the expression (a > b) && (c < d), if both (a > b) and (c < d) are true, the whole expression is true and the result is 1. If either or both are false, the whole expression is false and the result is 0.

2. Relational expressions: These are formed using relational operators. The relational operators in C are > (greater than), < (less than), >= (greater than or equal to), <= (less than or equal to), == (equal to), and != (not equal to). For example, in the expression a > b, if a is indeed greater than b, the expression is true and the result is 1. If a is not greater than b, the expression is false and the result is 0.

Remember, in C, 0 is often treated as "false" and any non-zero value is treated as "true". However, for logical and relational expressions, the result is specifically 1 for true and 0 for false.