删除顺序表某一元素

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

int delX(int num[], int n, int x){
    int i, j;
    i = 0;
    j = 0;
    for (i = 0; i < n; i++){
        if (num[i] != x){
            num[j] = num[i];
            j++;
        }
    }
    return j;
}

print(int num[], int n){
    int i;
    for (i = 0; i < n; i++){
        printf("%d ", num[i]);
    }
}

main(){
    int n;
    int num[] = {3, 1, 2, 3, 4, 3, 3, 5, 6};
    n = delX(num, 9, 3);
    print(num, n);
}