how do you design a program that asks the user to enter a store's sales for each day of the week. the amount should be stored in an array. use a loop to calculate the total sales for the week and display the result.
To ask the user to enter anything you'd need to implement the scanner and track what they say. You can store each individual sale in a variable and assign it to the array index; in a loop:
(while there's sales inputted)
sales_arr[i] = user_sale_val;
num_sales++; //should be 7 at the end, since it's for a week
//have code to reset variable and get next sale value
user_sale_val being an integer and
sales_arr being an int array of size 10, just in case.
For adding all the values together in the array, you could exit the for loop by returning. An if condition can be there to check if there are any more input values. If not, we can add an if loop as such:
if (num_sales = 7) { //for a week
index = 0; //will only go up to 6, since index starts at 0.
total_sales = total_sales + sales_arr[index]; //adding to prev. total
}
Be sure to declare the variables before using them! These are only examples.
To design a program that asks the user to enter a store's sales for each day of the week and calculate the total sales using an array and a loop, you can follow these steps:
1. Start by declaring an array to store the sales for each day of the week. Initialize the array with a size of 7 to represent the 7 days of the week.
2. Create a loop that iterates through each day of the week and prompts the user to enter the sales amount for that day. Use the loop counter to access the relevant array index.
3. Inside the loop, use the input function to get the sales amount from the user for each day. Convert the input into a numeric format if necessary.
4. Store the sales amount in the array at the corresponding index.
5. After the loop finishes, create another loop to calculate the total sales for the week. Initialize a variable to keep track of the total sales as 0 before the loop starts.
6. Inside the second loop, iterate through each element of the array and accumulate the sales amount by adding it to the total sales variable.
7. After the second loop finishes, display the total sales for the week to the user.
Here's a Python code example that implements the above steps:
```python
# Step 1: Declare an array to store sales for each day of the week
sales = [0] * 7
# Step 2: Loop to get sales input from the user
for day in range(7):
# Step 3: Prompt user for sales amount
sales[day] = float(input("Enter sales for day {0}: ".format(day+1)))
# Step 5: Loop to calculate total sales for the week
total_sales = 0
for sale in sales:
# Step 6: Accumulate sales amount to the total
total_sales += sale
# Step 7: Display the total sales
print("Total sales for the week: ", total_sales)
```
This program will prompt the user to enter the sales for each day of the week, store them in an array, and then calculate and display the total sales for the week using a loop.