Merge branch 'youngyangyang04:master' into master

problems/0055.跳跃游戏.md

@@ -154,6 +154,23 @@ var canJump = function(nums) {
 };
 ```
 
+### TypeScript
+
+```typescript
+function canJump(nums: number[]): boolean {
+    let farthestIndex: number = 0;
+    let cur: number = 0;
+    while (cur <= farthestIndex) {
+        farthestIndex = Math.max(farthestIndex, cur + nums[cur]);
+        if (farthestIndex >= nums.length - 1) return true;
+        cur++;
+    }
+    return false;
+};
+```
+
+
+
 
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 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>

problems/0122.买卖股票的最佳时机II.md

@@ -268,6 +268,18 @@ const maxProfit = (prices) => {
 };
 ```
 
+TypeScript：
+
+```typescript
+function maxProfit(prices: number[]): number {
+    let resProfit: number = 0;
+    for (let i = 1, length = prices.length; i < length; i++) {
+        resProfit += Math.max(prices[i] - prices[i - 1], 0);
+    }
+    return resProfit;
+};
+```
+
 C:
 
 ```c