Self Dividing Numbers - Solution & Explanation

This approach involves iterating over each number within the given range. For each number, extract each digit and check if the number is evenly divisible by that digit. If it passes all checks, the number is self-dividing.

This C solution uses a helper function isSelfDividing to check if each number in the range is a self-dividing number. For each number, we repeatedly extract the last digit and check if it divides the original number evenly. The function returns a boolean indicating if a number is self-dividing.

This approach optimizes the check by making a presumption against numbers containing digit zero immediately. Numbers with digit zero are automatically non-self-divisible. For the rest, we still check each digit, but this could reduce the number of required operations.

This C solution skips numbers divisible by 10 entirely, focusing on the rest to identify self-dividing numbers, slightly optimizing computations by reducing unnecessary checks.