Below is a list of problems I will be solving during this February - April’20. It consists of 100 problems, all of which are Div2C, of codeforces. I will try to write the explanation of each problem, based on my understanding, and how I approached the solution. I am starting this on - 13 February 2020.

ID Problem Name Difficulty Level Status
1 Given Length and Sum of Digits... 1 Accepted | 13th Feb'20
2 Number of Ways 4 Accepted | 13th Feb'20
3 Team 4 Accepted | 13th Feb'20
4 Exams 4 Accepted | 14th Feb'20
5 Boredom 4 to do
6 Table Decorations 4 Accepted | 14th Feb'20
7 Beautiful Sets of Points 4 Accepted | 18th Feb'20
8 k-Tree 4 to do
9 Valera and Tubes 4 Accepted | 18th Feb'20
10 Palindrome Transformation 4 Accepted | 18th Feb'20
11 Fixing Typos 4 Accepted | 21st Feb'20
12 Hacking Cypher 2 Accepted | 21st Feb'20
13 Gargari and Bishops 5 to do
14 Pocket Book 4 Accepted | 21st Feb'20
15 Lucky Sum of Digits 3 Accepted | 21st Feb'20
16 Arithmetic Progression 4 Accepted | 24th Feb'20
17 Fox and Box Accumulation 3 Accepted | 24th Feb'20
18 Hexadecimal's Numbers 2 Accepted | 24th Feb'20
19 Xenia and Weights 4 to do
20 Bombs 4 Accepted | 26th Feb'20
21 Pashmak and Buses 5 to do
22 Little Elephant and Problem 4 Accepted | 25th Feb'20
23 Maze 4 Accepted | 4th Mar'20
24 Ice Skating 3 Accepted | 4th Mar'20
25 Hamburgers 4 Accepted | 5th Mar'20
26 Bear and Prime Numbers 5 Getting TLE idk why | 8th Mar'20
27 History 4 Accepted | 8th Mar'20
28 Checkposts 4 Accepted | 8th Mar'20
29 Mashmokh and Numbers 3 Accepted | 10th Mar'20
30 Ladder 4 DP - will do later
31 Escape from Stones 3 Accepted | 10th Mar'20
32 Division into Teams 4 Accepted | 11th Mar'20
33 Barcode 4 High time, really need to start dp.
34 Stripe 3 Accepted | 11th Mar'20
35 Mafia 4 Accepted | 12th Mar'20
36 Cows and Sequence 4 getting WA; to do | 12th Mar'20
37 To Add or Not to Add 4 Accepted | 18th Mar'20
38 Xor-tree 3 to do
39 LCM Challenge 4 Accepted | 18th Mar'20
40 Rational Resistance 4 Accepted
41 Points on Line 3 Accepted
42 No to Palindromes! 4 to do\
43 To do 4 to do
44 Beautiful Numbers 4 Accepted
45 Quiz 4 Accepted
46 Replacement 3 Accepted
47 Vasya and Robot 4 to do
48 Captain Marmot 4 Accepted
49 Win or Freeze 4 Accepted
50 Matrix 4 to do
51 Little Frog 2 Accepted
52 Lucky Sum 3 Accepted
53 Fight the Monster 4 Accepted
54 Triangle 4 Accepted
55 View Angle 4 Accepted
56 King's Path 4 Accepted
57 Round Table Knights 4 Accepted
58 Purification 4 Accepted
59 Maxim and Discounts 3 Accepted
60 The Closest Pair 3 Accepted
61 Divisible by Seven 4 Accepted
62 Hometask 4 Accepted
63 Little Elephant and Interval 4 Accepted
64 Dorm Water Supply 3 to do
65 Shaass and Lights 5 to do
66 Prime Number 5 Accepted
67 The Brand New Function 4 to do
68 About Bacteria 4 Accepted
69 Malek Dance Club 4 to do
70 Dima and Containers 5 to do :/
71 Trains 4 Accepted
72 Almost Arithmetical Progression 4 NA
73 Newspaper Headline 4 NA
74 Inna and Dima 4 NA
75 Hiring Staff 5 NA
76 STL 4 NA
77 Prime Permutation 4 NA
78 Four Segments 5 NA
79 Fire Again 4 NA
80 Below the Diagonal 6 NA
81 Mail Stamps 4 NA
82 Grammar Lessons 4 NA
83 Bracket Sequence 4 NA
84 Heroes 4 NA
85 Literature Lesson 4 NA
86 Reducing Fractions 5 NA
87 Game 4 NA
88 Cutting Figure 4 NA
89 Trees 4 NA
90 Hockey 4 NA
91 Schedule 4 NA
92 Rectangle Puzzle 5 NA
93 Disposition 4 NA
94 Flea 4 NA
95 Help Victoria the Wise 4 NA
96 Corporation Mail 4 NA
97 Optimal Sum 5 NA
98 On Number of Decompositions into Multipliers 7 NA
99 Blocked Points 7 NA
100 Crossword 5 NA