User contributions for Roundgod
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19 June 2024
- 06:3906:39, 19 June 2024 diff hist +82 组合数学 (Spring 2024) →Announcement current
- 06:3806:38, 19 June 2024 diff hist +72 组合数学 (Spring 2024) →Assignments
17 June 2024
- 13:4313:43, 17 June 2024 diff hist +15 计算理论之美 (Summer 2024) →Tentative Topics Tag: Visual edit
- 08:1108:11, 17 June 2024 diff hist +1,105 N 组合数学 (Spring 2024)/第四次作业提交名单 Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 201220011 || 章振辉 |- | 201220094 || 肖依博 |- | 201220179 || 阎子扬 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 201840058 || 蒋潇鹏 |- | 201840281 || 史成璐 |- | 211098220 || 付博 |- | 211220104 || 崔乐天 |- | 211220151 || 吴羽 |- | 211240012 || 陈宇宁 |- | 211240046 || 吴奕胜 |- | 211240066 || 肖雨辰 |- | 211240073 ||..." current
16 June 2024
- 08:0808:08, 16 June 2024 diff hist +87 组合数学 (Spring 2024) →Assignments
6 June 2024
- 06:5806:58, 6 June 2024 diff hist +64 计算复杂性 (Spring 2024)/第三次作业提交名单 No edit summary current
5 June 2024
- 13:3713:37, 5 June 2024 diff hist −3 计算复杂性 (Spring 2024) →Announcement current Tag: Manual revert
- 13:3713:37, 5 June 2024 diff hist +3 计算复杂性 (Spring 2024) →Announcement
- 13:3713:37, 5 June 2024 diff hist −1 计算复杂性 (Spring 2024) →Announcement
- 10:5710:57, 5 June 2024 diff hist +734 N 计算复杂性 (Spring 2024)/第三次作业提交名单 Created page with "如有错漏请邮件联系助教。 <center> {| class="wikitable" style="text-align:center" |- ! 学号 !! 姓名 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 211250001 || 鞠哲 |- | 211502001 || 任楷文 |- | 211502005 || 黄逸飞 |- | 211502009 || 曲桐希 |- | 211502024 || 贺卓宇 |- | 211502025 || 吴文翔 |- | 211840112 || 聂易辰 |- | 211850106 || 杨林峰 |- | 221180115 || 黄文睿 |- | 221840186 || 陈端锐 |- | 221840188..."
- 10:5710:57, 5 June 2024 diff hist +91 计算复杂性 (Spring 2024) →Announcement
- 10:2510:25, 5 June 2024 diff hist +3 组合数学 (Spring 2024) →Announcement
- 05:0505:05, 5 June 2024 diff hist 0 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem) current
- 02:2202:22, 5 June 2024 diff hist +1 计算复杂性 (Spring 2024) →Assignments
- 02:2202:22, 5 June 2024 diff hist +314 计算复杂性 (Spring 2024) →Assignments
- 02:0702:07, 5 June 2024 diff hist 0 计算复杂性 (Spring 2024) →Announcement Tag: Visual edit
- 02:0602:06, 5 June 2024 diff hist +66 计算复杂性 (Spring 2024) →Announcement
4 June 2024
- 09:2009:20, 4 June 2024 diff hist −21 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem)
- 09:2009:20, 4 June 2024 diff hist +5 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem)
- 09:1809:18, 4 June 2024 diff hist +201 组合数学 (Spring 2024) →Announcement
- 09:1609:16, 4 June 2024 diff hist −8 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem)
- 09:1609:16, 4 June 2024 diff hist +150 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem)
- 09:1209:12, 4 June 2024 diff hist 0 组合数学 (Spring 2024)/Problem Set 4 →Problem 6 (Bonus Problem)
- 09:1109:11, 4 June 2024 diff hist +4,840 N 组合数学 (Spring 2024)/Problem Set 4 Created page with "== Problem 1 == Recall that the smallest number <math>R(k,\ell)</math> satisfying the condition in the Ramsey theory is called the '''Ramsey number'''. Prove that: * <math>R(4,3)\leq 9</math>. (Hint: Proof by contradiction. Color the edges of <math>K_9</math> in red and blue, and assume that there are no red triangles and no blue <math>4</math>-cliques. Try to determine the number of red and blue edges adjacent to each vertex.) * <math>R(4,4)\leq 18</math>. ==Problem 2..."
- 08:3208:32, 4 June 2024 diff hist +61 组合数学 (Spring 2024) →Assignments
3 June 2024
- 11:4411:44, 3 June 2024 diff hist +1,160 N 组合数学 (Spring 2024)/第三次作业提交名单 Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 201098313 || 杨文昊 |- | 201220011 || 章振辉 |- | 201220094 || 肖依博 |- | 201220179 || 阎子扬 |- | 201300026 || 高峰 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 201840058 || 蒋潇鹏 |- | 201840281 || 史成璐 |- | 211098220 || 付博 |- | 211220104 || 崔乐天 |- | 211220151 || 吴羽 |- | 211240012 || 陈宇宁 |- | 211240046 ||..." current
- 11:4311:43, 3 June 2024 diff hist +87 组合数学 (Spring 2024) →Assignments
22 May 2024
- 14:0014:00, 22 May 2024 diff hist +62 计算复杂性 (Spring 2024) →Assignments
- 08:3608:36, 22 May 2024 diff hist +276 计算复杂性 (Spring 2024) →Assignments
- 08:3408:34, 22 May 2024 diff hist +62 计算复杂性 (Spring 2024) →Announcement
14 May 2024
- 17:1517:15, 14 May 2024 diff hist −1 组合数学 (Fall 2023)/Problem Set 3 →Problem 1 current
- 17:1517:15, 14 May 2024 diff hist −1 组合数学 (Spring 2024)/Problem Set 3 →Problem 1 current
- 17:1317:13, 14 May 2024 diff hist +201 组合数学 (Spring 2024) →Announcement
- 13:0613:06, 14 May 2024 diff hist +5,164 N 组合数学 (Spring 2024)/Problem Set 2 Created page with "== Problem 1 == Count the number of lattice paths from <math>(0, 0)</math> to <math>(n, n)</math> with steps up and to the right, when two paths are considered equal if one can be moved on top of the other by a rotation or reflection. For example: center|frameless (Hint: Represent a path as a sequence of <math>0</math>s and <math>1</math>s and determine the group that acts on these sequences.) == Problem 2 == Suppose we are given <math>m</math> <math>n<..." current
- 13:0613:06, 14 May 2024 diff hist +2 组合数学 (Spring 2024) →Assignments Tag: Manual revert
- 13:0513:05, 14 May 2024 diff hist +1,789 N 组合数学 (Spring 2024)/Problem Set 1 Created page with "== Problem 1 == How many <math>n\times m</math> matrices of <math>0</math>'s and <math>1</math>'s are there, such that every row and column contains an even number of <math>1</math>'s? An odd number of <math>1</math>'s? == Problem 2 == * There is a set of <math>2n</math> people: <math>n</math> male and <math>n</math> female. A good party is a set with the same number of male and female. How many possibilities are there to build such a good party? * Try to express the a..." current
- 13:0513:05, 14 May 2024 diff hist +2 组合数学 (Spring 2024) →Assignments
- 13:0413:04, 14 May 2024 diff hist −4 组合数学 (Spring 2024) →Assignments Tag: Manual revert
- 13:0413:04, 14 May 2024 diff hist +4 组合数学 (Spring 2024) →Assignments
8 May 2024
- 12:0012:00, 8 May 2024 diff hist +827 N 计算复杂性 (Spring 2024)/第二次作业提交名单 Created page with "如有错漏请邮件联系助教。 <center> {| class="wikitable" style="text-align:center" |- ! 学号 !! 姓名 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 211250001 || 鞠哲 |- | 211502001 || 任楷文 |- | 211502005 || 黄逸飞 |- | 211502009 || 曲桐希 |- | 211502024 || 贺卓宇 |- | 211502025 || 吴文翔 |- | 211840112 || 聂易辰 |- | 211840292 || 窦若庭 |- | 211850106 || 杨林峰 |- | 221180115 || 黄文睿 |- | 221840186..." current
- 11:5911:59, 8 May 2024 diff hist +90 计算复杂性 (Spring 2024) →Announcement Tag: Visual edit: Switched
30 April 2024
- 10:0010:00, 30 April 2024 diff hist 0 组合数学 (Spring 2024)/第二次作业提交名单 No edit summary current
- 09:5909:59, 30 April 2024 diff hist +28 组合数学 (Spring 2024)/第二次作业提交名单 No edit summary
29 April 2024
- 18:4518:45, 29 April 2024 diff hist +1,190 N 组合数学 (Spring 2024)/第二次作业提交名单 Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 201098313 || 杨文昊 |- | 201220011 || 章振辉 |- | 201220094 || 肖依博 |- | 201220179 || 阎子扬 |- | 201300026 || 高峰 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 201840058 || 蒋潇鹏 |- | 201840281 || 史成璐 |- | 211098220 || 付博 |- | 211220104 || 崔乐天 |- | 211220151 || 吴羽 |- | 211240012 || 陈宇宁 |- | 211240046 ||..."
- 18:4218:42, 29 April 2024 diff hist 0 组合数学 (Spring 2024) →Assignments
- 18:4218:42, 29 April 2024 diff hist +87 组合数学 (Spring 2024) →Assignments
14 April 2024
- 06:3006:30, 14 April 2024 diff hist 0 计算复杂性 (Spring 2024) →Assignments
- 06:2006:20, 14 April 2024 diff hist +63 计算复杂性 (Spring 2024) →Announcement
- 06:1906:19, 14 April 2024 diff hist +336 计算复杂性 (Spring 2024) →Assignments
10 April 2024
- 11:0711:07, 10 April 2024 diff hist +1,274 N 组合数学 (Spring 2024)/第一次作业提交名单 Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 201098313 || 杨文昊 |- | 201220005 || 左中铭 |- | 201220011 || 章振辉 |- | 201220013 || 王力 |- | 201220094 || 肖依博 |- | 201220179 || 阎子扬 |- | 201300026 || 高峰 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 201840058 || 蒋潇鹏 |- | 201840281 || 史成璐 |- | 211098220 || 付博 |- | 211220104 || 崔乐天 |- | 211220128 ||..." current