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# System prepended metadata

title: 第四次解題訓練
tags: [solution-catalogue]

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---
title: 第四次解題訓練
tags: solution-catalogue
---

## 第四次（7/16）
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- [A. 遞增矩陣](https://hackmd.io/@problem-solved-sgroup/By-lg7YRu)
- [B. 硬幣樓梯](https://hackmd.io/@problem-solved-sgroup/B1fzg7Y0_)
- [C. 圓圈遊戲](https://hackmd.io/@problem-solved-sgroup/S13mlXYCd)
- [D. 神奇函式](https://hackmd.io/@problem-solved-sgroup/HJAYx7KRO)