更新README.md

Author: aQua

README.md

@@ -7,9 +7,9 @@
 ## 答题进度
 |Category|Easy|Medium|Hard|Total|
 |:--|:--:|:--:|:--:|:--:|
-|**Algorithms**|35 / 141|27 / 246|13 / 92|75 / 479|
+|**Algorithms**|38 / 141|27 / 246|13 / 92|78 / 479|
 |**Draft**|0 / 1|0 / 4|0 / 0|0 / 5|
-|**Total**|35 / 142|27 / 250|13 / 92|75 / 484|
+|**Total**|38 / 142|27 / 250|13 / 92|78 / 484|
 
 > 未统计付费题
 ## 参考解答
@@ -70,6 +70,9 @@
 |66|[Plus One](./Algorithms/0066.plus-one)|☆|38%||
 |88|[Merge Sorted Array](./Algorithms/0088.merge-sorted-array)|☆|32%||
 |118|[Pascal's Triangle](./Algorithms/0118.pascals-triangle)|☆|38%||
+|119|[Pascal's Triangle II](./Algorithms/0119.pascals-triangle-ii)|☆|36%||
+|121|[Best Time to Buy and Sell Stock](./Algorithms/0121.best-time-to-buy-and-sell-stock)|☆|41%||
+|122|[Best Time to Buy and Sell Stock II](./Algorithms/0122.best-time-to-buy-and-sell-stock-ii)|☆|47%||
 |167|[Two Sum II - Input array is sorted](./Algorithms/0167.two-sum-ii-input-array-is-sorted)|☆|47%||
 |169|[Majority Element](./Algorithms/0169.majority-element)|☆|46%|❤|
 |189|[Rotate Array](./Algorithms/0189.rotate-array)|☆|24%||