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更新 0383.赎金信 排版格式修复
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@ -34,7 +34,7 @@ canConstruct("aa", "aab") -> true
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* 第二点 “你可以假设两个字符串均只含有小写字母。” *说明只有小写字母*,这一点很重要
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## 暴力解法
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### 暴力解法
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那么第一个思路其实就是暴力枚举了,两层for循环,不断去寻找,代码如下:
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@ -66,7 +66,7 @@ public:
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这里时间复杂度是比较高的,而且里面还有一个字符串删除也就是erase的操作,也是费时的,当然这段代码也可以过这道题。
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## 哈希解法
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### 哈希解法
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因为题目所只有小写字母,那可以采用空间换取时间的哈希策略, 用一个长度为26的数组还记录magazine里字母出现的次数。
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@ -112,8 +112,8 @@ public:
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## 其他语言版本
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### Java:
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Java:
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```Java
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class Solution {
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public boolean canConstruct(String ransomNote, String magazine) {
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@ -146,8 +146,9 @@ class Solution {
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```
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Python:
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### Python:
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(版本一)使用数组
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```python
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class Solution:
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def canConstruct(self, ransomNote: str, magazine: str) -> bool:
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@ -213,7 +214,7 @@ class Solution:
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return all(ransomNote.count(c) <= magazine.count(c) for c in set(ransomNote))
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```
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Go:
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### Go:
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```go
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func canConstruct(ransomNote string, magazine string) bool {
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@ -231,7 +232,7 @@ func canConstruct(ransomNote string, magazine string) bool {
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}
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```
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javaScript:
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### JavaScript:
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```js
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/**
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@ -254,7 +255,7 @@ var canConstruct = function(ransomNote, magazine) {
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};
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```
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TypeScript:
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### TypeScript:
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```typescript
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function canConstruct(ransomNote: string, magazine: string): boolean {
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@ -275,8 +276,8 @@ function canConstruct(ransomNote: string, magazine: string): boolean {
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};
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```
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### PHP:
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PHP:
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```php
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class Solution {
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/**
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@ -301,7 +302,8 @@ class Solution {
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}
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```
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Swift:
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### Swift:
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```swift
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func canConstruct(_ ransomNote: String, _ magazine: String) -> Bool {
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var record = Array(repeating: 0, count: 26);
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@ -324,7 +326,8 @@ func canConstruct(_ ransomNote: String, _ magazine: String) -> Bool {
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}
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```
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Rust:
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### Rust:
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```rust
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impl Solution {
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pub fn can_construct(ransom_note: String, magazine: String) -> bool {
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@ -347,7 +350,7 @@ impl Solution {
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}
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```
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Scala:
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### Scala:
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版本一: 使用数组作为哈希表
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```scala
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@ -411,8 +414,8 @@ object Solution {
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}
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```
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### C#:
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C#:
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```csharp
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public bool CanConstruct(string ransomNote, string magazine) {
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if(ransomNote.Length > magazine.Length) return false;
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@ -434,3 +437,4 @@ public bool CanConstruct(string ransomNote, string magazine) {
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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<img src="../pics/网站星球宣传海报.jpg" width="1000"/>
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</a>
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