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Classroom Numbers of AIUB [C Programming]

Problem description:
 Consider the room numbers of our campus - 423, 432, 441, 234, 534, 132. Here first digit represents campus number, second digit represents floor number and the third number represents room number in that floor. Write a program that will take a three digit number (like 423) and output the Campus, Floor, and Room Number according to the input.

INPUT: 423
OUTPUT: Campus 4, Floor 2, Room 3

Code:

#include <stdio.h>
int main()
{
    int n, campus, floor, room;
    printf("Enter a room number: ");
    scanf("%d", &n);
    room = n%10;
    floor = ((n - room)%100)/10;
    campus = n/100;
    printf("Campus %d, Floor %d, Room %d", campus, floor, room);
    return 0;
}
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