## 第二次(7/2 ~ 7/9) --- - [A. 括弧配對(Easy)](https://hackmd.io/@problem-solved-sgroup/S1EWBISpd) - [B. 括弧配對(Medium)](https://hackmd.io/@problem-solved-sgroup/BkJQLLSTd) - [C. 最短直線距離長度](https://hackmd.io/@problem-solved-sgroup/H1vSLIHp_) - [D. Number Chain](https://hackmd.io/@problem-solved-sgroup/ryK2UIH6_) - [E. 拼接黏貼(Easy)](https://hackmd.io/@problem-solved-sgroup/HJSWvLrpO)
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