更新链接

nowsoar · Sep 29, 2021 · 33768a0 · 33768a0
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Showing 204 changed files with 204 additions and 204 deletions.
diff --git a/problems/0005.最长回文子串.md b/problems/0005.最长回文子串.md
@@ -443,4 +443,4 @@ var longestPalindrome = function(s) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0015.三数之和.md b/problems/0015.三数之和.md
@@ -441,4 +441,4 @@ func threeSum(_ nums: [Int]) -> [[Int]] {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0017.电话号码的字母组合.md b/problems/0017.电话号码的字母组合.md
@@ -475,4 +475,4 @@ char ** letterCombinations(char * digits, int* returnSize){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0018.四数之和.md b/problems/0018.四数之和.md
@@ -407,4 +407,4 @@ func fourSum(_ nums: [Int], _ target: Int) -> [[Int]] {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0019.删除链表的倒数第N个节点.md b/problems/0019.删除链表的倒数第N个节点.md
@@ -233,4 +233,4 @@ func removeNthFromEnd(_ head: ListNode?, _ n: Int) -> ListNode? {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0020.有效的括号.md b/problems/0020.有效的括号.md
@@ -290,4 +290,4 @@ var isValid = function(s) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0024.两两交换链表中的节点.md b/problems/0024.两两交换链表中的节点.md
@@ -283,4 +283,4 @@ func swapPairs(_ head: ListNode?) -> ListNode? {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0027.移除元素.md b/problems/0027.移除元素.md
@@ -290,4 +290,4 @@ int removeElement(int* nums, int numsSize, int val){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0028.实现strStr.md b/problems/0028.实现strStr.md
@@ -902,4 +902,4 @@ var strStr = function (haystack, needle) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0031.下一个排列.md b/problems/0031.下一个排列.md
@@ -185,4 +185,4 @@ var nextPermutation = function(nums) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0034.在排序数组中查找元素的第一个和最后一个位置.md b/problems/0034.在排序数组中查找元素的第一个和最后一个位置.md
@@ -443,4 +443,4 @@ var searchRange = function(nums, target) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0035.搜索插入位置.md b/problems/0035.搜索插入位置.md
@@ -313,4 +313,4 @@ func searchInsert(_ nums: [Int], _ target: Int) -> Int {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0037.解数独.md b/problems/0037.解数独.md
@@ -556,4 +556,4 @@ void solveSudoku(char** board, int boardSize, int* boardColSize) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0039.组合总和.md b/problems/0039.组合总和.md
@@ -405,4 +405,4 @@ int** combinationSum(int* candidates, int candidatesSize, int target, int* retur
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0040.组合总和II.md b/problems/0040.组合总和II.md
@@ -458,4 +458,4 @@ int** combinationSum2(int* candidates, int candidatesSize, int target, int* retu
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0042.接雨水.md b/problems/0042.接雨水.md
@@ -676,4 +676,4 @@ int trap(int* height, int heightSize) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0045.跳跃游戏II.md b/problems/0045.跳跃游戏II.md
@@ -236,4 +236,4 @@ var jump = function(nums) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0046.全排列.md b/problems/0046.全排列.md
@@ -315,4 +315,4 @@ var permute = function(nums) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0047.全排列II.md b/problems/0047.全排列II.md
@@ -338,4 +338,4 @@ func backTring(nums,subRes []int,res *[][]int,used []bool){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0051.N皇后.md b/problems/0051.N皇后.md
@@ -499,4 +499,4 @@ var solveNQueens = function(n) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0052.N皇后II.md b/problems/0052.N皇后II.md
@@ -149,4 +149,4 @@ var totalNQueens = function(n) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0053.最大子序和.md b/problems/0053.最大子序和.md
@@ -216,4 +216,4 @@ var maxSubArray = function(nums) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0053.最大子序和（动态规划）.md b/problems/0053.最大子序和（动态规划）.md
@@ -192,4 +192,4 @@ const maxSubArray = nums => {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0055.跳跃游戏.md b/problems/0055.跳跃游戏.md
@@ -161,4 +161,4 @@ var canJump = function(nums) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0056.合并区间.md b/problems/0056.合并区间.md
@@ -248,4 +248,4 @@ var merge = function (intervals) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0059.螺旋矩阵II.md b/problems/0059.螺旋矩阵II.md
@@ -542,4 +542,4 @@ int** generateMatrix(int n, int* returnSize, int** returnColumnSizes){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0062.不同路径.md b/problems/0062.不同路径.md
@@ -333,4 +333,4 @@ var uniquePaths = function(m, n) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0063.不同路径II.md b/problems/0063.不同路径II.md
@@ -341,4 +341,4 @@ var uniquePathsWithObstacles = function(obstacleGrid) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0070.爬楼梯.md b/problems/0070.爬楼梯.md
@@ -301,4 +301,4 @@ var climbStairs = function(n) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0070.爬楼梯完全背包版本.md b/problems/0070.爬楼梯完全背包版本.md
@@ -206,4 +206,4 @@ var climbStairs = function(n) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0072.编辑距离.md b/problems/0072.编辑距离.md
@@ -333,4 +333,4 @@ const minDistance = (word1, word2) => {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0077.组合.md b/problems/0077.组合.md
@@ -627,4 +627,4 @@ int** combine(int n, int k, int* returnSize, int** returnColumnSizes){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0077.组合优化.md b/problems/0077.组合优化.md
@@ -300,4 +300,4 @@ int** combine(int n, int k, int* returnSize, int** returnColumnSizes){
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0078.子集.md b/problems/0078.子集.md
@@ -325,4 +325,4 @@ int** subsets(int* nums, int numsSize, int* returnSize, int** returnColumnSizes)
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0084.柱状图中最大的矩形.md b/problems/0084.柱状图中最大的矩形.md
@@ -407,4 +407,4 @@ var largestRectangleArea = function(heights) {
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
diff --git a/problems/0090.子集II.md b/problems/0090.子集II.md
@@ -353,4 +353,4 @@ int** subsetsWithDup(int* nums, int numsSize, int* returnSize, int** returnColum
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)
 * 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
-<div align="center"><img src=https://code-thinking-1253855093.file.myqcloud.com/pics/20210928153539.png width=500> </img></div>
+<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>