User contributions for Zhangyiyao

A user with 64 edits. Account created on 16 September 2024.
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19 January 2026

16 January 2026

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25 December 2025

  • 14:4914:49, 25 December 2025 diff hist −6,447 高级算法 (Fall 2025)/Problem Set 3 Blanked the page current Tag: Blanking
  • 14:2514:25, 25 December 2025 diff hist +6,447 N 高级算法 (Fall 2025)/Problem Set 3 Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 == Problem 1 == Let <math>\mathcal{M} = (E, \mathcal{I})</math> be a matroid with rank function <math>r_{\mathcal{M}} : 2^E \to \mathbb{Z}_{\ge 0}</math>. Prove that <math>r_{\mathcal{M}}</math> is submodular. == Problem 2 == In class, you learned two greedy algorithms with the same framework: * For maximizing a non-negative add..."

8 December 2025

1 December 2025

10 November 2025

31 October 2025

30 October 2025

7 October 2025

27 September 2025

23 August 2025

12 January 2025

26 December 2024

9 December 2024

25 November 2024

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