本文中所使用的链表定义如下所示:
# Definition for singly-linked list.
class ListNode:
def __init__(self, val=0, next=None):
self.val = val
self.next = next
// Definition for si...
T1: 可被3整数的偶数的平均值
思路:数组遍历
被3整数的偶数 \(\Leftrightarrow\) 被6整数的数
public int averageValue(int[] nums) {
int sum = 0;
int count = 0;
for (int num : nums) {
if (num %...
T1: 对数组执行操作
思路:模拟
public int[] applyOperations(int[] nums) {
int n = nums.length;
for (int i = 0; i < n - 1; ++i) {
if (nums[i] == nums[i + 1]) {
nums[i] = 2 * nums[i];...