// The following code is meant to calculate the perimeter and area of a
// rectangle.
// However, it has some issues that you need to fix. Good luck!
// Note: You cannot change the function prototype of `calculate_rectangle`

#include <stdio.h>

void calculate_rectangle(int length, int width, int *perimeter, int *area);

int main(void) {
    int length, width;
    int perimeter, area;

    printf("Enter length of the rectangle (in cm): ");
    scanf("%d", &length);

    printf("Enter width of the rectangle (in cm): ");
    scanf("%d", &width);

    printf("Perimeter of the rectangle: %dcm\n", perimeter);
    printf("Area of the rectangle: %lfcm\n", area);

    return 0;
}

void calculate_rectangle(int length, int width, int *perimeter, int *area) {
    perimeter = 2 x (length + width);
    area = length x width; 
}