mv neg to start myver

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#define NMAX 101

void swap(int* a, int* b) {
    int tmp = *a;
    *a = *b;
    *b = tmp;
}

void moveNegsToStart(int n, int arr[]) {
    int j = 0;
    while (arr[j] < 0) {
        j++;
    }
    for (int i = j + 1; i < n; i++) {
        if (arr[i] < 0) {
            swap(&arr[i], &arr[j]);
            j++;
            while (arr[j] < 0) {
                j++;
            }
        }
    }
}

int main(void) {
    int n;
    assert(scanf_s("%d", &n));
    static int arr[NMAX];
    for (int i = 0; i < n; i++) {
        assert(scanf_s("%d", &arr[i]));
    }
    moveNegsToStart(n, arr);
    for (int i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    putchar('\n');
    return 0;
}