Can someone tell me the problem of my question? Please.

Question

#include<stdio.h>

#include<stdlib.h>

#pragma warning (disable:4996)

#define Freshman

#define Sophomore

#define Junior

#define Senior

void main()

{

// declare variable

int numberOfCreditHoursCompleted;

int ranking;

// input

printf("Enter the numberOfCreditHoursCompleted >");

scanf("%d", &numberOfCreditHoursCompleted);

if (numberOfCreditHoursCompleted < 45) {

ranking = Freshman;

}

else if (numberOfCreditHoursCompleted > 45) {

ranking = Sophomore;

}

else if (numberOfCreditHoursCompleted > 90) {

ranking = Junior;

}

else if (numberOfCreditHoursCompleted > 135) {

ranking = Senior;

}

printf("Happy Studying!! \n");

system("pause");

}

Answer 1

#include<stdio.h>
#include<stdlib.h>
#define Freshman 1
#define Sophomore 2
#define Junior 3
#define Senior 4

int main()
{

// declare variable

int numberOfCreditHoursCompleted;

int ranking;

// input

printf("Enter the numberOfCreditHoursCompleted >");

scanf("%d", &numberOfCreditHoursCompleted);

if (numberOfCreditHoursCompleted < 45) {

ranking = Freshman;

}

else if (numberOfCreditHoursCompleted > 45) {

ranking = Sophomore;

}

else if (numberOfCreditHoursCompleted > 90) {

ranking = Junior;

}

else if (numberOfCreditHoursCompleted > 135) {

ranking = Senior;

}

printf("Happy Studying!! \n");

system("pause");

}

Answer 2

#include<stdio.h>
#include<stdlib.h>

#define Freshman 'f'
#define Sophomore 's'
#define Junior 'j'
#define Senior 'S'

int main()
{

// declare variable

int numberOfCreditHoursCompleted;

char ranking;
// input

printf("Enter the numberOfCreditHoursCompleted >");

scanf("%d", &numberOfCreditHoursCompleted);

if (numberOfCreditHoursCompleted < 45) {

ranking = Freshman;

}

else if (numberOfCreditHoursCompleted > 45) {

ranking = Sophomore;

}

else if (numberOfCreditHoursCompleted > 90) {

ranking = Junior;

}

else if (numberOfCreditHoursCompleted > 135) {

ranking = Senior;

}

printf("%c - Happy Studying!! \n", ranking);

system("pause");

}