Codeforces Div. 2B [Updated]

Index Problem Difficulty
1 Keyboard Layouts 800
2 Decoding 900
3 Watering System 1000
4 Mislove Has Lost an Array 1000
5 3-palindrome 1000
6 Ania and Minimizing 1000
7 Timofey and cubes 1000
8 Fafa and the Gates 1000
9 Buying a TV Set 1100
10 Badges 1100
11 Nauuo and Chess 1100
12 The Festive Evening 1100
13 Non-Coprime Partition 1100
14 Minesweeper 1100
15 Weird Rounding 1100
16 Perfect Number 1100
17 Sport Mafia 1100
18 Pair of Toys 1100
19 Hamster Farm 1100
20 Mahmoud and a Triangle 1100
21 Polycarp and Letters 1100
22 Chocolates 1100
23 The Eternal Immortality 1100
24 Getting an A 1100
25 Crossword solving 1100
26 Serval and Toy Bricks 1200
27 A Prosperous Lot 1200
28 Email from Polycarp 1200
29 Ehab Is an Odd Person 1200
30 Blown Garland 1200
31 Godsend 1200
32 Planning The Expedition 1200
33 LCM 1200
34 Mancala 1200
35 High School: Become Human 1200
36 Cutting 1200
37 Chloe and the sequence 1200
38 Wrath 1200
39 Kvass and the Fair Nut 1200
40 Draw! 1300
41 Filling the Grid 1300
42 Mahmoud and Ehab and the message 1300
43 Messages 1300
44 Summer sell-off 1300
45 Rectangles 1300
46 Months and Years 1300
47 Forgery 1300
48 A Tide of Riverscape 1300
49 Cutting Carrot 1300
50 Segments 1300
51 Beautiful Numbers 1300
52 Mike and strings 1300
53 Position in Fraction 1300
54 World Cup 1300
55 Cubes for Masha 1300
56 Divisiblity of Differences 1300
57 Magic Forest 1300
58 Chtholly's request 1300
59 An express train to reveries 1300
60 Parallelogram is Back 1300
61 Dasha and friends 1300
62 Build a Contest 1300
63 Table Tennis 1300
64 Koala and Lights 1300
65 Battleship 1300
66 Game of Credit Cards 1300
67 Mister B and Angle in Polygon 1300
68 Tic-Tac-Toe 1400
69 T-shirt buying 1400
70 Not simply beatiful strings 1400
71 Hongcow Solves A Puzzle 1400
72 Sonya and Exhibition 1400
73 Alice and the List of Presents 1400
74 Karen and Coffee 1400
75 Double Matrix 1400
76 Silly Mistake 1400
77 Bash's Big Day 1400
78 PIN Codes 1400
79 Uniqueness 1500
80 Yet Another Array Partitioning Task 1500
81 Azamon Web Services 1500
82 The Number of Products 1500
83 Nikita and string 1500
84 Modulo Equality 1500
85 Vile Grasshoppers 1500
86 Frodo and pillows 1500
87 Lunar New Year and Food Ordering 1500
88 Zero Array 1500
89 Minimize the error 1500
90 Tell Your World 1600
91 Sagheer, the Hausmeister 1600
92 Petya and Exam 1600
93 Math 1600
94 Code For 1 1600
95 Marlin 1600
96 Dima and a Bad XOR 1600
97 Masha and geometric depression 1700
98 Jamie and Binary Sequence (changed after round) 1700
99 Circus 1700
100 Ralph And His Magic Field 1800