Array testGrades contains NUM_VALS test scores. Write a for loop that sets sumExtra to the total extra credit received. Full credit is 100, so anything over 100 is extra credit. Ex: If testGrades ={101, 83, 107, 90}, then sumExtra = 8, because 1+0+7+0 is 8. 324758.2040686.qx3zqy7 1 #include 2 3 int main(void) { const int NUM VALS = 4; int testGrades[NUM_VALS]; int i; int sumExtra = -9999; // Assign sumExtra with 0 before your for loop 4 6 7 8 for (i = 0; i < NUM_VALS; ++i) { scanf ("%d", &(testGrades[i])); } 9 10 11 12 13 /* Your solution goes here */ 14 printf("sumExtra: %d\n", sumExtra); return 0; 15 16 17
Array testGrades contains NUM_VALS test scores. Write a for loop that sets sumExtra to the total extra credit received. Full credit is 100, so anything over 100 is extra credit. Ex: If testGrades ={101, 83, 107, 90}, then sumExtra = 8, because 1+0+7+0 is 8. 324758.2040686.qx3zqy7 1 #include 2 3 int main(void) { const int NUM VALS = 4; int testGrades[NUM_VALS]; int i; int sumExtra = -9999; // Assign sumExtra with 0 before your for loop 4 6 7 8 for (i = 0; i < NUM_VALS; ++i) { scanf ("%d", &(testGrades[i])); } 9 10 11 12 13 /* Your solution goes here */ 14 printf("sumExtra: %d\n", sumExtra); return 0; 15 16 17
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![**Understanding Extra Credit Calculation in C Programming**
In this exercise, we are given an array `testGrades` which contains `NUM_VALS` test scores. The task is to write a `for` loop that calculates `sumExtra`, the total extra credit received on these scores. Full credit is 100, so any score over 100 is considered extra credit. For example, if `testGrades = {101, 83, 107, 90}`, then `sumExtra` equals 8, because 1 + 0 + 7 + 0 equals 8.
Here is a breakdown of the code:
```c
#include <stdio.h>
int main(void) {
const int NUM_VALS = 4;
int testGrades[NUM_VALS];
int i;
int sumExtra = -9999; // Initialize sumExtra before the loop
for (i = 0; i < NUM_VALS; ++i) {
scanf("%d", &(testGrades[i]));
}
/* Your solution goes here */
printf("sumExtra: %d\n", sumExtra);
return 0;
}
```
### Code Explanation
1. **Include Library**: The `#include <stdio.h>` directive includes the standard input-output library needed for functions like `scanf` and `printf`.
2. **Main Function**: The program begins execution from the `main` function.
3. **Variable Initialization**:
- `NUM_VALS` is a constant representing the number of test scores, set to 4.
- `testGrades` is an array to store the test scores entered by the user.
- `i` is a loop counter.
- `sumExtra` is initially set to -9999; it should be initialized to 0 before calculating extra credit.
4. **Input Loop**: The `for` loop takes user inputs for the `testGrades` array.
5. **Solution Placeholder**: This is where you will write the logic to calculate `sumExtra`.
6. **Output**: Finally, the program prints `sumExtra`.
### Completing the Solution
To calculate the extra credit:
- Initialize `sumExtra` to 0.
- Iterate through each score in `testGrades`.
- If a score is greater than 100, add the difference (score - 100) to `sumExtra`.
This logic will ensure that `sumExtra](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F877d147a-40f9-47d8-b25c-41d77d376d71%2F6befb2a5-7e14-4046-ac41-d2442b8c96d2%2F09795nh_processed.png&w=3840&q=75)
Transcribed Image Text:**Understanding Extra Credit Calculation in C Programming**
In this exercise, we are given an array `testGrades` which contains `NUM_VALS` test scores. The task is to write a `for` loop that calculates `sumExtra`, the total extra credit received on these scores. Full credit is 100, so any score over 100 is considered extra credit. For example, if `testGrades = {101, 83, 107, 90}`, then `sumExtra` equals 8, because 1 + 0 + 7 + 0 equals 8.
Here is a breakdown of the code:
```c
#include <stdio.h>
int main(void) {
const int NUM_VALS = 4;
int testGrades[NUM_VALS];
int i;
int sumExtra = -9999; // Initialize sumExtra before the loop
for (i = 0; i < NUM_VALS; ++i) {
scanf("%d", &(testGrades[i]));
}
/* Your solution goes here */
printf("sumExtra: %d\n", sumExtra);
return 0;
}
```
### Code Explanation
1. **Include Library**: The `#include <stdio.h>` directive includes the standard input-output library needed for functions like `scanf` and `printf`.
2. **Main Function**: The program begins execution from the `main` function.
3. **Variable Initialization**:
- `NUM_VALS` is a constant representing the number of test scores, set to 4.
- `testGrades` is an array to store the test scores entered by the user.
- `i` is a loop counter.
- `sumExtra` is initially set to -9999; it should be initialized to 0 before calculating extra credit.
4. **Input Loop**: The `for` loop takes user inputs for the `testGrades` array.
5. **Solution Placeholder**: This is where you will write the logic to calculate `sumExtra`.
6. **Output**: Finally, the program prints `sumExtra`.
### Completing the Solution
To calculate the extra credit:
- Initialize `sumExtra` to 0.
- Iterate through each score in `testGrades`.
- If a score is greater than 100, add the difference (score - 100) to `sumExtra`.
This logic will ensure that `sumExtra
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