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Question 4 done

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Alex
2024-09-23 15:23:47 -05:00
parent 6f12a51ccf
commit f52a97a56e
1 changed files with 47 additions and 40 deletions
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9
Q4.c
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@@ -1,5 +1,7 @@
#include <stdio.h> #include <stdio.h>
//Question 4 //Question 4
// Finds average value of array
double find_average(const int arr[], int len) { double find_average(const int arr[], int len) {
double sum = 0.0; double sum = 0.0;
for(int i = 0; i < len; i++) { for(int i = 0; i < len; i++) {
@@ -7,6 +9,7 @@ double find_average(const int arr[], int len) {
} }
return sum/len; return sum/len;
} }
// Returns the INDEX of the highest value in array // Returns the INDEX of the highest value in array
int find_index_highest(const double arr[], int len) { int find_index_highest(const double arr[], int len) {
double highest = arr[0]; double highest = arr[0];
@@ -22,12 +25,14 @@ int find_index_highest(const double arr[], int len) {
} }
int main() { int main() {
// To test the functions
int num_students, num_subjects; int num_students, num_subjects;
printf("Enter number of students: "); printf("Enter number of students: ");
scanf("%d", &num_students); scanf("%d", &num_students);
printf("Enter number of subjects: "); printf("Enter number of subjects: ");
scanf("%d", &num_subjects); scanf("%d", &num_subjects);
// Create matrix of grades and use input to assign its values
int grade_matrix[num_students][num_subjects]; int grade_matrix[num_students][num_subjects];
for(int i = 0; i < num_students; i++) { for(int i = 0; i < num_students; i++) {
printf("Enter student %d's grades: ", i+1); printf("Enter student %d's grades: ", i+1);
@@ -37,11 +42,13 @@ int main() {
printf("\n"); printf("\n");
} }
// Array to hold average grades of students
double average_grades[num_students]; double average_grades[num_students];
// Print every students average grades
printf("Average Grades:\n"); printf("Average Grades:\n");
for(int i = 0; i < num_students; i++) { for(int i = 0; i < num_students; i++) {
average_grades[i] = find_average(grade_matrix[i], num_subjects); average_grades[i] = find_average(grade_matrix[i], num_subjects);
printf("Student %d: %0.02f\n", i+1, average_grades[i]); printf("Student %d: %0.02f\n", i+1, average_grades[i]); // Formatted to two decimal places
} }
printf("Student with Highest Average: Student %d\n", (find_index_highest(average_grades, num_students) +1)); printf("Student with Highest Average: Student %d\n", (find_index_highest(average_grades, num_students) +1));