diff --git "a/problems/0072.347円274円226円350円276円221円350円267円235円347円246円273円.md" "b/problems/0072.347円274円226円350円276円221円350円267円235円347円246円273円.md"
index a15012d75a..df57b5b882 100644
--- "a/problems/0072.347円274円226円350円276円221円350円267円235円347円246円273円.md"
+++ "b/problems/0072.347円274円226円350円276円221円350円267円235円347円246円273円.md"
@@ -364,6 +364,7 @@ function minDistance(word1: string, word2: string): number {
 
 C:
 
+
 ```c
 int min(int num1, int num2, int num3) {
 return num1> num2 ? (num2> num3 ? num3 : num2) : (num1> num3 ? num3 : num1); 
@@ -376,7 +377,7 @@ int minDistance(char * word1, char * word2){
 for (int i = 1; i <= strlen(word2); i++) dp[0][i] = i; for (int i = 1; i <= strlen(word1); i++) { - for (int j = 1; j <=strlen(word2); j++) { + for (int j = 1; j <= strlen(word2); j++) { if (word1[i-1] == word2[j-1]) { dp[i][j] = dp[i-1][j-1]; } @@ -389,7 +390,5 @@ int minDistance(char * word1, char * word2){ } ``` - - ----------------------- <div> </img></div>
diff --git "a/problems/0090.345円255円220円351円233円206円II.md" "b/problems/0090.345円255円220円351円233円206円II.md"
index 9e7e3bd01b..81c0f94a80 100644
--- "a/problems/0090.345円255円220円351円233円206円II.md"
+++ "b/problems/0090.345円255円220円351円233円206円II.md"
@@ -367,6 +367,39 @@ function subsetsWithDup(nums: number[]): number[][] {
 };
 ```
 
+set去重版本:
+```typescript
+// 使用set去重版本
+function subsetsWithDup(nums: number[]): number[][] {
+ const result: number[][] = [];
+ const path: number[] = [];
+ // 去重之前先排序
+ nums.sort((a, b) => a - b);
+ function backTracking(startIndex: number) {
+ // 收集结果
+ result.push([...path])
+ // 此处不返回也可以因为,每次递归都会使startIndex + 1,当这个数大到nums.length的时候就不会进入递归了。
+ if (startIndex === nums.length) {
+ return
+ }
+ // 定义每一个树层的set集合
+ const set: Set<number> = new Set()
+ for (let i = startIndex; i < nums.length; i++) {
+ // 去重
+ if (set.has(nums[i])) {
+ continue
+ }
+ set.add(nums[i])
+ path.push(nums[i])
+ backTracking(i + 1)
+ // 回溯
+ path.pop()
+ }
+ }
+ backTracking(0)
+ return result
+};
+```
 ### Rust
 
 ```Rust
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/AlgorithmAndLeetCode/youngyangyang04-leetcode-master/pull/108.diff">(-&gt;オリジナル)</a>
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<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
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<input type="submit" value="表示" />
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