### 20/6/2025 [Giá trị lớn nhất nhỏ nhất](https://marisaoj.com/problem/87), [Gộp mảng](https://marisaoj.com/problem/92), [Pha thuốc 2](https://marisaoj.com/problem/94) ### 23/6/2025 Các phép toán trên bit (Phép toán thao tác bit 1/2/3). ### Bài tập 23-28/6/2025 [COCI 2019/2020 - Contest 4 - Nivelle](https://oj.vnoi.info/problem/coci1920_r4_nivelle) [Free Contest Testing Round 48 - AVEMAX](https://oj.vnoi.info/problem/fct048_avemax) [Kinh doanh](https://lqdoj.edu.vn/problem/demen01) [Free Contest 98 - SEQ3N](https://oj.vnoi.info/problem/fc098_seq3n) [USACO 2011 - Nov - Gold - Above the Median](https://oj.vnoi.info/problem/kmedian) [Free Contest Testing Round 20 - SEQ51](https://oj.vnoi.info/problem/fct020_seq51) (Anh thấy Minh làm, nên mng cũng phải làm 😂) [HSG THPT TPHCM 2021 - Tìm đường](https://oj.vnoi.info/problem/hcm_thpt_21_c) [Free Contest Testing Round 26 - SPECPAIR](https://oj.vnoi.info/problem/fct026_specpair) [Dynamic Median](https://oj.vnoi.info/problem/medquery)
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