Example: Car Selector with Switch and Nested Conditions in C

// Car Selector with Switch and Nested Conditions
#include <stdio.h>
#include <string.h> // Required for strcmp

int main() {
    // Step 1: Declare variables for car criteria
    int price, fuel_efficiency, seating_capacity;
    char car_type[20];

    // Step 2: Get car details from user
    printf("Enter car type (Sedan, SUV, Hatchback, Sports): ");
    scanf("%19s", car_type);
    printf("Enter car price: $");
    scanf("%d", &price);
    printf("Enter car fuel efficiency (MPG): ");
    scanf("%d", &fuel_efficiency);
    printf("Enter car seating capacity: ");
    scanf("%d", &seating_capacity);

    // Step 3: Apply conditions using a switch statement for car type
    printf("\nEvaluating car...\n");

    // Convert car_type to an integer for switch (simple hash or enum for more types)
    // For simplicity, we'll manually check and set a "type_code"
    // In a real application, you might use enums or more robust string handling
    int type_code = 0; // 1: Sedan, 2: SUV, 3: Hatchback, 4: Sports

    if (strcmp(car_type, "Sedan") == 0) type_code = 1;
    else if (strcmp(car_type, "SUV") == 0) type_code = 2;
    else if (strcmp(car_type, "Hatchback") == 0) type_code = 3;
    else if (strcmp(car_type, "Sports") == 0) type_code = 4;
    else type_code = 0; // Unknown type

    switch (type_code) {
        case 1: // Sedan
            if (price <= 30000 && fuel_efficiency >= 30 && seating_capacity >= 4) {
                printf("This Sedan is a great choice for balanced performance and family use.\n");
            } else {
                printf("This Sedan doesn't quite meet typical criteria for its type.\n");
            }
            break;
        case 2: // SUV
            if (price <= 50000 && fuel_efficiency >= 20 && seating_capacity >= 5) {
                printf("This SUV is suitable for families and versatility.\n");
            } else {
                printf("This SUV doesn't quite meet typical criteria for its type.\n");
            }
            break;
        case 3: // Hatchback
            if (price <= 25000 && fuel_efficiency >= 35 && seating_capacity >= 4) {
                printf("This Hatchback is excellent for city driving and fuel economy.\n");
            } else {
                printf("This Hatchback doesn't quite meet typical criteria for its type.\n");
            }
            break;
        case 4: // Sports Car
            if (price >= 40000 && fuel_efficiency >= 15 && seating_capacity >= 2) {
                printf("This Sports Car is a high-performance, enthusiast's choice.\n");
            } else {
                printf("This Sports Car doesn't quite meet typical criteria for its type.\n");
            }
            break;
        default:
            printf("Car type not recognized or no specific recommendations available.\n");
            break;
    }

    return 0;
}