Merge pull request #1274 from wangAlpha/master

添加 0053.最大子序和、0135分发糖果和0455分发饼干的 Rust版本

problems/0053.最大子序和.md

@@ -212,6 +212,20 @@ func maxSubArray(nums []int) int {
 }
 ```
 
+### Rust
+```rust
+pub fn max_sub_array(nums: Vec<i32>) -> i32 {
+    let mut max_sum = i32::MIN;
+    let mut curr = 0;
+    for n in nums.iter() {
+        curr += n;
+        max_sum = max_sum.max(curr);
+        curr = curr.max(0);
+    }
+    max_sum
+}
+```
+
 ### Javascript:
 ```Javascript
 var maxSubArray = function(nums) {

problems/0135.分发糖果.md

@@ -213,6 +213,25 @@ func findMax(num1 int ,num2 int) int{
 }
 ```
 
+### Rust
+```rust
+pub fn candy(ratings: Vec<i32>) -> i32 {
+    let mut candies = vec![1i32; ratings.len()];
+    for i in 1..ratings.len() {
+        if ratings[i - 1] < ratings[i] {
+            candies[i] = candies[i - 1] + 1;
+        }
+    }
+
+    for i in (0..ratings.len()-1).rev() {
+        if ratings[i] > ratings[i + 1] {
+            candies[i] = candies[i].max(candies[i + 1] + 1);
+        }
+    }
+    candies.iter().sum()
+}
+```
+
 ### Javascript:
 ```Javascript
 var candy = function(ratings) {

problems/0300.最长上升子序列.md

@@ -201,6 +201,23 @@ func max(x, y int) int {
 }
 ```
 
+Rust:
+```rust
+pub fn length_of_lis(nums: Vec<i32>) -> i32 {
+    let mut dp = vec![1; nums.len() + 1];
+    let mut result = 1;
+    for i in 1..nums.len() {
+        for j in 0..i {
+            if nums[j] < nums[i] {
+                dp[i] = dp[i].max(dp[j] + 1);
+            }
+            result = result.max(dp[i]);
+        }
+    }
+    result
+}
+```
+
 Javascript
 ```javascript
 const lengthOfLIS = (nums) => {

problems/0322.零钱兑换.md

@@ -302,6 +302,24 @@ func min(a, b int) int {
 
 ```
 
+Rust:
+
+```rust
+pub fn coin_change(coins: Vec<i32>, amount: i32) -> i32 {
+    let amount = amount as usize;
+    let mut dp = vec![i32::MAX; amount + 1];
+    dp[0] = 0;
+    for i in 0..coins.len() {
+        for j in coins[i] as usize..=amount {
+            if dp[j - coins[i] as usize] != i32::MAX {
+                dp[j] = dp[j].min(dp[j - coins[i] as usize] + 1);
+            }
+        }
+    }
+    if dp[amount] == i32::MAX { -1 } else { dp[amount] }
+}
+```
+
 Javascript：
 ```javascript
 const coinChange = (coins, amount) => {

problems/0455.分发饼干.md

@@ -191,6 +191,26 @@ func findContentChildren(g []int, s []int) int {
 }
 ```
 
+### Rust
+```rust
+pub fn find_content_children(children: Vec<i32>, cookie: Vec<i32>) -> i32 {
+    let mut children = children;
+    let mut cookies = cookie;
+    children.sort();
+    cookies.sort();
+
+    let (mut child, mut cookie) = (0usize, 0usize);
+    while child < children.len() && cookie < cookies.len() {
+        // 优先选择最小饼干喂饱孩子
+        if children[child] <= cookies[cookie] {
+            child += 1;
+        }
+        cookie += 1
+    }
+    child as i32
+}
+```
+
 ### Javascript
 ```js
 var findContentChildren = function(g, s) {

problems/0518.零钱兑换II.md

@@ -242,6 +242,22 @@ func change(amount int, coins []int) int {
 }
 ```
 
+Rust:
+```rust
+pub fn change(amount: i32, coins: Vec<i32>) -> i32 {
+    let amount = amount as usize;
+    let coins = coins.iter().map(|&c|c as usize).collect::<Vec<usize>>();
+    let mut dp = vec![0usize; amount + 1];
+    dp[0] = 1;
+    for i in 0..coins.len() {
+        for j in coins[i]..=amount {
+            dp[j] += dp[j - coins[i]];
+        }
+    }
+    dp[amount] as i32
+}
+```
+
 Javascript：
 ```javascript
 const change = (amount, coins) => {

problems/0674.最长连续递增序列.md

@@ -218,6 +218,7 @@ class Solution:
         return result
 ```
 
+
 > 贪心法：
 ```python
 class Solution:
@@ -276,6 +277,24 @@ func findLengthOfLCIS(nums []int) int {
 }
 ```
 
+Rust:
+```rust
+pub fn find_length_of_lcis(nums: Vec<i32>) -> i32 {
+    if nums.is_empty() {
+        return 0;
+    }
+    let mut result = 1;
+    let mut dp = vec![1; nums.len()];
+    for i in 1..nums.len() {
+        if nums[i - 1] < nums[i] {
+            dp[i] = dp[i - 1] + 1;
+            result = result.max(dp[i]);
+        }
+    }
+    result
+}
+```
+
 Javascript：
 
 > 动态规划：

problems/1035.不相交的线.md

@@ -111,7 +111,6 @@ class Solution:
 Golang:
 
 ```go
-
 func maxUncrossedLines(A []int, B []int) int {
 	m, n := len(A), len(B)
 	dp := make([][]int, m+1)
@@ -140,7 +139,26 @@ func max(a, b int) int {
 }
 ```
 
+Rust:
 
+```rust
+pub fn max_uncrossed_lines(nums1: Vec<i32>, nums2: Vec<i32>) -> i32 {
+    let (n, m) = (nums1.len(), nums2.len());
+    let mut last = vec![0; m + 1]; // 记录滚动数组
+    let mut dp = vec![0; m + 1];
+    for i in 1..=n {
+        dp.swap_with_slice(&mut last);
+        for j in 1..=m {
+            if nums1[i - 1] == nums2[j - 1] {
+                dp[j] = last[j - 1] + 1;
+            } else {
+                dp[j] = last[j].max(dp[j - 1]);
+            }
+        }
+    }
+    dp[m]
+}
+```
 
 JavaScript：
 

problems/1143.最长公共子序列.md

@@ -193,6 +193,28 @@ func max(a,b int)int  {
 	}
 	return b
 }
+
+```
+
+Rust:
+```rust
+pub fn longest_common_subsequence(text1: String, text2: String) -> i32 {
+    let (n, m) = (text1.len(), text2.len());
+    let (s1, s2) = (text1.as_bytes(), text2.as_bytes());
+    let mut dp = vec![0; m + 1];
+    let mut last = vec![0; m + 1];
+    for i in 1..=n {
+        dp.swap_with_slice(&mut last);
+        for j in 1..=m {
+            dp[j] = if s1[i - 1] == s2[j - 1] {
+                last[j - 1] + 1
+            } else {
+                last[j].max(dp[j - 1])
+            };
+        }
+    }
+    dp[m]
+}
 ```
 
 Javascript：