C Number Frequency Exercise

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

typedef struct _counter {
    int number;
    int count;
} CountRecord;

#define MAXNUMBERS  5

int main()
{
    int i, j, number;
    // declare and init data array
    CountRecord data[MAXNUMBERS];

    // Fields in the structure are initilized to zero (0)
    for (i = 0; i < MAXNUMBERS; i++)
        data[i].number = data[i].count = 0;

    // Get each number and process it
    for (i = 0; i < MAXNUMBERS; i++) {
        scanf_s("%d", &number); // Get a number

        //If the number is not already in the data array, then add it along with incrementing the count
        for (j = 0; j < MAXNUMBERS; j++) {
            if (data[j].number == 0) {
                data[j].number = number;
                data[j].count++;
                break;
            }
            else if (data[j].number == number) { // The number exists in the data array, increment the count
                data[j].count++;
                break;
            }
        }
    }

    // Print the data array to the console
    for (i = 0;i < MAXNUMBERS;i++) {
        if (data[i].number != 0)
            printf("%d:%d\n", data[i].number, data[i].count);
        else
            break;
    }

    return 0;
}