Program Description:
This program will calculate all of the useable area (in square feet) in a house. This specific house contains four rooms, all of which are rectangular in shape.

Analysis:
My goal in creating this program is that it successfully calculates the useable square footage in a house that contains four rooms. The values which are required to perform the calculations will be the length of room 1 times the width of room 1(in feet). This will give the area of room one, which will in turn become the useable area for this particular room. The same length times width (L x W) formula will then be used for all subsequent rooms. After the area for all four rooms has been found, the sum of the area of each room will be the final output for useable square feet. The output values are as follows: * L1: The length for room 1 * W1: The width for room 1 * L2: The length for room 2 * W2: The width for room 2 * L3: The length for room 3 * W3: The width for room 3 * L4: The length for room 4 * W4: The width for room 4 * T1: Total square feet for room 1 * T2: Total square feet for room 2 * T3: Total square feet for room 3 * T4: Total square feet for room 4 * Total_SqFt: Total useable square footage in the house

Test Plan:

Test Case # | Input | Expected Output | 1 | Room 1 - Length:20 Width:14Room 2: - Length:16 Width:12Room 3: - Length:22 Width:16Room 4: - Length:12 Width:10 | Square Feet: 944 | 2 | Room 1 - Length:17 Width:11Room 2: - Length:11 Width:9Room 3: - Length:13 Width:16Room 4: - Length:19 Width:12 | Square Feet: 722 | 3 | Room 1 - Length:10 Width:8Room 2: - Length:12 Width:10Room 3: - Length:14 Width:12Room 4: - Length:16 Width:14 | Square Feet: 592 |

Psuedocode:
//This program will calculate the useable area of a house with four rectangular rooms in square feet
//The sum of all areas of each room will be the final output value for useable square footage
//Declare variables
Declare L1, W1, L2, W2, L3, W3, L4, W4, T1, T2, T3, T4, Total_SqFt as integers
//Set values of integers set L1=20 set W1=14 set L2=16 set W2=12 set L3=22 set W3=16 set L4=12 set W4=10 set T1=L1*W1 set T2=L2*W2 set T3=L3*W3 set T4=L4*W4 set Total_SqFt=T1+T2+T3+T4
//Print all variables on screen print Declare L1, W1, L2, W2, L3, W3, L4, W4, T1, T2, T3, T4, Total_SqFt
End Program

C Code:

//The purpose of this program will calculate the useable area, in square feet, of a house with four rectangular rooms
//The sum of the area of each room will be the total useable area (in square feet)

#include

int main(void) { /* Declare Integers*/ int L1; int W1; int L2; int W2; int L3; int W3; int L4; int W4; int T1; int T2; int T3; int T4; int Total_SqFt; /*Set Integers*/ L1=20; W1=14; L2=16; W2=12; L3=22; W3=16; L4=12; W4=10; T1= L1*W1; T2= L2*W2; T3= L3*W3; T4= L4*W4; Total_SqFt= T1+T2+T3+T4; printf("The area of room one (T1) is %d multiplied by %d, which equals %d. \n", L1,W1,T1); printf("The area of room two (T2) is %d multiplied by %d, which equals %d. \n", L2,W2,T2); printf("The area of room three (T3) is %d multiplied by %d, which equals %d. \n", L3,W3,T3); printf("The area of room four (T4) is %d multiplied by %d, which equals %d. \n", L4,W4,T4); printf("All of these combined makes the total useable space %d square feet. \n", Total_SqFt); /*This is the end of my program. All code is in order and working.*/ return 0;
}