题解 | #打印从1到最大的n位数#

int* printNumbers(int n, int* returnSize ) {
    int number = 1;
    int i = 0;
    int* a;
    
        for(i=0;i<n;i++)
            number*=10;
    *returnSize = number-1;
    
    a=(int*)malloc(sizeof(int)*(number-1));
    i=0;
        for(i=0;i<number-1;i++)
            a[i] = (i+1);
    *returnSize = number-1;
    return a;
}