C Program to print the sum of marks of Boys and Girls stored in an Array at alternate positions - HackerRank

 

// Program by Akash Tripathi (@proakash256) 

#include <stdio.h>

#include <string.h>

#include <math.h>

#include <stdlib.h>

//Complete the following function.

int marks_summation(int *marks, int number_of_students, char gender)

{

    //Write your code here.

    int sum = 0;

    if(gender == 'b')

    {

        for(int i = 0; i <= number_of_students; i = i + 2)

            sum = sum + marks[i];

        return sum;

    }

    else if(gender == 'g')

    {

        for(int i = 1; i <= number_of_students; i = i + 2)

            sum = sum + marks[i];

        return sum;

    }

}

int main()

{

    int number_of_students;

    char gender;

    int sum;

    scanf("%d", &number_of_students);

    int *marks = (int *)malloc(number_of_students * sizeof(int));

    for (int student = 0; student < number_of_students; student++)

    {

        scanf("%d", (marks + student));

    }

    scanf(" %c", &gender);

    sum = marks_summation(marks, number_of_students, gender);

    printf("%d", sum);

    free(marks);

    return 0;

}