Relational and logical operators in C: solved exercise

This exercise is scheduled for daily publication and follows the standard site structure: statement, solution, and expected output.

Problem statement

Solve the practical case and verify the console output.

C solution

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#include <stdio.h>

int main(void) {
    int a = 7, b = 4;
    printf("a > b: %d\n", a > b);
    printf("a == b: %d\n", a == b);
    printf("(a > b) && (b > 0): %d\n", (a > b) && (b > 0));
    return 0;
}

Expected output

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a > b: 1
a == b: 0

Common mistakes

Not validating standard-function return values.
Ignoring edge cases for indices, pointers, or buffers.
Skipping example-based test runs before publishing.

Practical use

Relational and logical operators are the foundation of all conditions in C: validations, filters, and flow control.

Recommended next exercise

Guided practice and full book

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FAQ

Is this exercise useful for C exams and technical interviews?

Yes. It targets patterns that commonly appear in practice assignments, technical interviews, and C programming exams.

Where can I keep practicing with more solved C exercises?

In Programming in C in 100 Solved Exercises and C Exercises. Kindle Unlimited: View on Amazon.

How should I practice this exercise type to improve faster?

Start with small inputs, run edge cases (empty, one item, max capacity), then rewrite the solution from scratch without copying.