wuhudsm's blog

Problems that I authored so far
By wuhudsm, history, 20 months ago, In English

UPD after one year!

Only a periodic summary. It will be updated continuously.

I'll be glad if someone gets inspired/gives feedback :)

# Date Problem Contest Comment
1 Aug 2022 Ring Game Codechef Starters 53 One of the simplest
2 Aug 2022 Rocket Pack Codechef Starters 53
3 Sep 2022 Energetic Node Codechef Starters 56
4 Oct 2022 Collinear Points Codechef Starters 59 Highly recommend :)
5 Oct 2022 Maximun Sum Codechef Starters 60
6 Oct 2022 Get the Segment Codechef Starters 62 Interactive
7 Sep 2022 Strange BST Codechef Starters 62
8 Dec 2022 Restore the Permutation Codechef Starters 68
9 Dec 2022 Strange Bitwise Operation Codechef Starters 70
10 Dec 2022 Square Loop Codechef Starters 70
11 Jan 2023 A Short Counting Problem Codechef January Long
12 Jan 2023 Xor X,Get Max Codechef Starters 75 Interactive
13 Feb 2023 Bitwise Operations on Circle Codechef Starters 76
14 Mar 2023 Mountain Codechef Starters 79 One of the simplest
15 Apr 2023 Maximum of n Integers TheForces Round #11
16 Apr 2023 Strange Shuffle TheForces Round #11
17 Apr 2023 c0=c1 TheForces Round #11
18 Apr 2023 Big Xor Sum TheForces Round #11
19 Apr 2023 Pre-minimum Score TheForces Round #11
20 Apr 2023 Span Flip TheForces Round #11
21 Apr 2023 A Matchsticks Problem TheForces Round #12
22 Apr 2023 Yet Another Matchsticks Problem TheForces Round #12
23 Apr 2023 Permutaion Construction(easy+hard version) TheForces Round #12
24 Apr 2023 Y Flip TheForces Round #12
25 Apr 2023 Yet Another Y Flip TheForces Round #12
26 Apr 2023 Partition and Alternating Sum(easy+hard version) TheForces Round #12
27 May 2023 Good Operations Codechef Starters 88
28 May 2023 Minimum OR Spanning Tree Codechef Starters 88
29 May 2023 Evil Infection Codechef Starters 89
30 Jun 2023 Partition and Maximize Codechef Starters 95
31 Jun 2023 Guess Game Codechef Starters 95
32 Jun 2023 Infinite Grid TheForces Round #16
33 Jun 2023 Mex Path TheForces Round #16
34 Jun 2023 Get the Long Binary Number TheForces Round #16
35 Jun 2023 Increasing A and Decreasing B TheForces Round #16
36 Jun 2023 Grid Walking+ TheForces Round #16
37 Jul 2023 Tree Construction TheForces Round #19
38 Jul 2023 Max Mobius Sum TheForces Round #19
39 Jul 2023 Tuples TheForces Round #20
40 Jul 2023 2-set Problem TheForces Round #20
41 Jul 2023 Extended Average TheForces Round #20
42 Jul 2023 Array Counting TheForces Round #20
43 Jul 2023 Interesting Index TheForces Round #21
44 Jul 2023 Hacked! TheForces Round #21
45 Jul 2023 Revolving Sushi TheForces Round #21
46 Aug 2023 Increasing and Decreasing Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2)
47 Aug 2023 Divisor Chain Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) One of my favorite problems in the official round
48 Aug 2023 Guess Game 2 Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2)
49 Aug 2023 Interesting Subsequence TheForces Round #22
50 Aug 2023 Interesting Connection TheForces Round #22
51 Aug 2023 Interesting Operation TheForces Round #22
52 Aug 2023 Interesting Snake Queue TheForces Round #22
53 Aug 2023 Interesting Alternating Sum TheForces Round #22
54 Sep 2023 Two Arrays Game TheForces Round #23
55 Sep 2023 Super Palindrome TheForces Round #23
56 Seq 2023 Concussive Sequence Codechef Starters 100
57 Seq 2023 Interesting Swap Codechef Starters 100 big thx Amir_Parsa for the idea
58 Oct 2023 Left or Right Shift TheForces Round #24
59 Oct 2023 Yet Another ÷2 or +1 Problem TheForces Round #24
60 Oct 2023 Array Construction TheForces Round #25
61 Nov 2023 Submission Bait TheForces Round #26
62 Nov 2023 Interesting Knapsack Codechef Starters 107
63 Nov 2023 Move Negative Stones Codechef Starters 108
64 Dec 2023 Square Count Codechef Starters 111
65 Dec 2023 Permutation Construction Codechef Starters 112
66 Dec 2023 Colorful Paths TheForces Round #27
67 Jan 2024 Two Set Game Codechef Starters 116
68 Feb 2024 Magic Palindrome Codechef Starters 121
69 Feb 2024 Binary Path Codeforces Round 930
70 Feb 2024 Bitwise Operation Wizard Codeforces Round 930 Interactive & One of my favorite problems in the official round
71 Feb 2024 Pokemon Arena Codeforces Round 930 One of my favorite problems in the official round
72 Feb 2024 Yet Yet Another Permutation Problem Codeforces Round 930
73 Mar 2024 Minimum Black Cells TheForces Round #28
74 Mar 2024 Sequence Duplication TheForces Round #28
75 Mar 2024 Perfect Square Matrix TheForces Round #28
76 Mar 2024 Tree Merger TheForces Round #28
77 Mar 2024 RBS Score TheForces Round #28
  • Vote: I like it
  • +50
  • Vote: I do not like it

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20 months ago, # |
  Vote: I like it +3 Vote: I do not like it

Collinear Points is impressive and educational, thx for this!

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8 months ago, # |
  Vote: I like it +9 Vote: I do not like it

Codeforces Round 930- Bitwise Operation Wizard, Absolutely enjoyed the contest. Thnx a lot for this! Keep up the fantastic work!

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