Codeforces Div. 2E

ID Problem Name Difficulty Level
1 Pashmak and Graph 5
2 Civilization 5
3 Sereja and Brackets 5
4 Propagating tree 5
5 XOR on Segment 5
6 Yet Another Task with Queens 6
7 Mashmokh and Reverse Operation 5
8 Choosing Balls 5
9 Subsegments 4
10 Sausage Maximization 5
11 Games with Rectangle 5
12 Riding in a Lift 5
13 Fools and Roads 4
14 Enemy is weak 5
15 Cipher 5
16 Flawed Flow 5
17 Greg and Friends 5
18 Fish 6
19 Main Sequence 5
20 Jzzhu and Apples 7
21 Arthur and Brackets 6
22 Little Elephant and LCM 5
23 Prefix Product Sequence 6
24 Lucky Subsequence 5
25 Interesting Game 5
26 Zero-One 4
27 Divisors 6
28 Game on Tree 6
29 Last Chance 5
30 Build String 5
31 Number Transformation II 6
32 Double Profiles 6
33 Number Transformation 5
34 Prefix Product Sequence 6
35 DZY Loves Fibonacci Numbers 7
36 DZY Loves Colors 6
37 Little Elephant and Shifts 5
38 Inna and Binary Logic 5
39 Martian Strings 6
40 Devu and Birthday Celebration 6
41 Iahub and Permutations 5
42 Hiking 7
43 Splitting the Uniqueness 7
44 George and Cards 6
45 Dima and Magic Guitar 5
46 Ski Base 5
47 Wrong Floyd 5
48 Empire Strikes Back 6
49 Mushroom Gnomes - 2 5
50 Parking Lot 6
51 Xenia and Tree 7
52 Cactus 6
53 Anniversary 7
54 Hack it! 7
55 Graph Reconstruction 6
56 Help Caretaker 6
57 Martian Luck 5
58 Collisions 6
59 Chip Play 5
60 Beautiful Set 6
61 Strictly Positive Matrix 5
62 Square Tiling 7
63 Game 7
64 Dreamoon and Strings 6
65 Counter Attack 7
66 Three Horses 6
67 Playing with String 7
68 Colorado Potato Beetle 6
69 Three Swaps 9
70 Cyclical Quest 8
71 Petya and Pipes 7
72 Common ancestor 7
73 Neatness 8
74 Yaroslav and Algorithm 7
75 Strange Sorting 8
76 Helping People 8
77 Dima and Kicks 7
78 Hamming Distance 6
79 Delivering Carcinogen 6
80 Graph Cutting 6
81 The Last Hole! 8
82 Circling Round Treasures 7
83 Lucky Tickets 8
84 Help Greg the Dwarf 7
85 Transportation 6
86 Ship's Shortest Path 7
87 Horse Races 8
88 Roland and Rose 8
89 Binary Key 7
90 Yet Another Number Sequence 9
91 Piglet's Birthday 7
92 Inna and Large Sweet Matrix 9
93 Two Circles 9
94 Fox And Dinner 6
95 Ksenia and Combinatorics 8
96 Misha and Palindrome Degree 7
97 Expression 8
98 Lightbulb for Minister 10
99 Clever Fat Rat 10
100 MUH and Lots and Lots of Segments 8