Codeforces Div. 2D [Updated]

Index Problem Difficulty
1 Green and Black Tea 1500
2 Stas and the Queue at the Buffet 1500
3 Bishwock 1500
4 Secret Passwords 1500
5 Lunar New Year and a Wander 1500
6 Make a Permutation! 1500
7 Vus the Cossack and Numbers 1600
8 Alena And The Heater 1600
9 Love Rescue 1600
10 Extra Element 1700
11 Ticket Game 1700
12 Slime 1700
13 Artsem and Saunders 1700
14 Substring 1700
15 Harmonious Graph 1700
16 Alarm Clock 1700
17 Dasha and Very Difficult Problem 1700
18 Cow and Snacks 1700
19 Valid BFS? 1700
20 Glider 1700
21 Array Restoration 1700
22 Paint the Tree 1700
23 Petya and Array 1800
24 Cloud of Hashtags 1800
25 Chloe and pleasant prizes 1800
26 Fun with Integers 1800
27 My pretty girl Noora 1800
28 Let's Play the Words? 1800
29 Shovel Sale 1800
30 Serval and Rooted Tree 1800
31 Nastya Is Buying Lunch 1800
32 Treasure Island 1800
33 Robot Vacuum Cleaner 1800
34 The Wu 1900
35 Flood Fill 1900
36 Olya and Energy Drinks 1900
37 Misha, Grisha and Underground 1900
38 Ability To Convert 1900
39 Alex and Julian 1900
40 Restore Permutation 1900
41 White Lines 1900
42 Social Circles 1900
43 Shichikuji and Power Grid 1900
44 Ehab and the Expected XOR Problem 1900
45 Bash and a Tough Math Puzzle 1900
46 Kilani and the Game 1900
47 Fafa and Ancient Alphabet 1900
48 Shark 1900
49 The Door Problem 2000
50 Vladik and Favorite Game 2000
51 Mahmoud and Ehab and another array construction task 2000
52 Neko and Aki's Prank 2000
53 An overnight dance in discotheque 2000
54 Mahmoud and Ehab and the binary string 2000
55 Treasure Hunting 2000
56 TV Shows 2000
57 Mahmoud and a Dictionary 2000
58 Leaving Auction 2000
59 Ehab and another another xor problem 2000
60 Gourmet choice 2000
61 Olya and magical square 2000
62 Fedor and coupons 2000
63 Field expansion 2000
64 Jon and Orbs 2100
65 Irrigation 2100
66 Portals 2100
67 Perfect Groups 2100
68 Unusual Sequences 2100
69 Fishes 2100
70 Alice and the Doll 2100
71 Vitya and Strange Lesson 2100
72 Colorful Points 2100
73 Police Stations 2100
74 Full Binary Tree Queries 2100
75 Cute Sequences 2100
76 Huge Strings 2100
77 Okabe and City 2200
78 Kuro and GCD and XOR and SUM 2200
79 Tree 2200
80 Anton and School - 2 2200
81 Nature Reserve 2200
82 Felicity's Big Secret Revealed 2200
83 Winter is here 2200
84 Sonya and Matrix 2200
85 Mysterious Code 2200
86 Steps to One 2300
87 Enchanted Artifact 2300
88 Ralph And His Tour in Binary Country 2300
89 String Mark 2300
90 Mike and distribution 2300
91 Labelling Cities 2400
92 Dasha and Chess 2400
93 Destroy the Colony 2500
94 A Shade of Moonlight 2500
95 Ratings and Reality Shows 2500
96 Complete Mirror 2500
97 Jamie and To-do List 2600
98 Scissors 2700
99 Sagheer and Kindergarten 2700
100 The Overdosing Ubiquity 2800