A simple program to solve the grades of the students using a C programming language.
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Program Listing#include <stdio.h>#include <stdlib.h>int sum_of_array(int array[], int size){int sum = 0;for (int i = 0; i < size; ++i)sum += array[i];return sum;}char getGrade(int grade){if (grade >= 91 && grade <= 100)return 'A';else if (grade >= 81 && grade <= 90)return 'B';else if (grade >= 71 && grade <= 80)return 'C';else if (grade >= 61 && grade <= 70)return 'D';else if (grade <= 60)return 'E';return 0;}int main(){printf("\n");printf("\tComputation of Grades in C");printf("\n\n");printf("How many grades: ");int num_grades;scanf("%d", &num_grades);int *grades = malloc(num_grades * sizeof(int));for (int i = 0; i < num_grades; ++i){printf("Enter grade %d: ", i + 1);scanf("%d", &grades[i]);}int total_sum = sum_of_array(grades, num_grades);int avg = (total_sum / num_grades) * 10;printf("\n");printf("Your Grade is %d: \tDescriptive Rating: %c", avg, getGrade(avg));printf("\n");free(grades);return 0;}
