If Else – Let us C

Logical AND/OR in If-Else

Pravesh Agrawal — Sat, 02 Dec 2023 11:25:01 +0000

#include 

int main() {
    // Logical AND/OR in if-else
    int age;
    char gender;

    printf("Enter your age: ");
    scanf("%d", &age);

    printf("Enter your gender (M/F): ");
    scanf(" %c", &gender);  // Note the space before %c to consume any leading whitespace

    if (age >= 18 && gender == 'M') {
        printf("You are an adult male.\n");
    } else if (age >= 18 && gender == 'F') {
        printf("You are an adult female.\n");
    } else {
        printf("You are not an adult.\n");
    }

    return 0;
}

Ternary Operator

Pravesh Agrawal — Sat, 02 Dec 2023 11:24:38 +0000

#include 

int main() {
    // Ternary operator
    int num1, num2, max;

    printf("Enter two numbers: ");
    scanf("%d %d", &num1, &num2);

    max = (num1 > num2) ? num1 : num2;

    printf("Maximum number: %d\n", max);

    return 0;
}

If-Else Ladder

Pravesh Agrawal — Sat, 02 Dec 2023 11:24:18 +0000

#include 

int main() {
    // If-else ladder
    int marks;

    printf("Enter your marks: ");
    scanf("%d", &marks);

    if (marks >= 90) {
        printf("Grade: A\n");
    } else if (marks >= 80) {
        printf("Grade: B\n");
    } else if (marks >= 70) {
        printf("Grade: C\n");
    } else if (marks >= 60) {
        printf("Grade: D\n");
    } else {
        printf("Grade: F\n");
    }

    return 0;
}

Nested If-Else Statement

Pravesh Agrawal — Sat, 02 Dec 2023 11:24:03 +0000

#include 

int main() {
    // Nested if-else statement
    int score;

    printf("Enter your exam score: ");
    scanf("%d", &score);

    if (score >= 90) {
        printf("Grade: A\n");
    } else {
        if (score >= 80) {
            printf("Grade: B\n");
        } else {
            printf("Grade: C\n");
        }
    }

    return 0;
}

Simple If-Else Statement

Pravesh Agrawal — Sat, 02 Dec 2023 10:55:28 +0000

#include 

int main() {
    // Simple if-else statement
    int number;

    printf("Enter an integer: ");
    scanf("%d", &number);

    if (number % 2 == 0) {
        printf("The entered number is even.\n");
    } else {
        printf("The entered number is odd.\n");
    }

    return 0;
}