Ladder Name: 10 - Codeforces Div. 1, E

Description: List of random Codeforces problems, all of them are Div. 1 E problems. The problems are sorted, the most solved problem comes first. This is a good practice for whoever can solve almost all Div. 1 A, B, C and D problems, but might have some difficulties while solving the C problems.

Difficulty Level: 8

ID	Problem Name	Online Judge	Difficulty Level
1	Jeff and Permutation	Codeforces	5
2	Lucky Number Representation	Codeforces	5
3	Lucky Queries	Codeforces	6
4	Little Elephant and Inversions	Codeforces	7
5	Little Elephant and Tree	Codeforces	7
6	Lucky Array	Codeforces	7
7	Lucky Country	Codeforces	7
8	Ciel and Gondolas	Codeforces	8
9	Lucky Arrays	Codeforces	7
10	Gifts	Codeforces	9
11	Sign on Fence	Codeforces	8
12	Gripping Story	Codeforces	7
13	Opening Portals	Codeforces	7
14	Optimize!	Codeforces	8
15	Sereja and Sets	Codeforces	7
16	Little Elephant and Strings	Codeforces	9
17	Lostborn	Codeforces	8
18	Bits of merry old England	Codeforces	9
19	Igloo Skyscraper	Codeforces	7
20	Vowels	Codeforces	8
21	Cow Tennis Tournament	Codeforces	9
22	Thoroughly Bureaucratic Organization	Codeforces	7
23	Candies and Stones	Codeforces	8
24	Sereja and Intervals	Codeforces	8
25	Ladies' Shop	Codeforces	9
26	Martian Food	Codeforces	8
27	Buying Sets	Codeforces	10
28	Wizards and Bets	Codeforces	8
29	Maxim and Calculator	Codeforces	9
30	Stairs and Lines	Codeforces	8
31	Maze	Codeforces	8
32	Alien DNA	Codeforces	9
33	Number Challenge	Codeforces	8
34	Fibonacci Number	Codeforces	9
35	Noble Knight's Path	Codeforces	10
36	Biologist	Codeforces	8
37	Polo the Penguin and Lucky Numbers	Codeforces	9
38	Dima and Game	Codeforces	8
39	Candies Game	Codeforces	9
40	Endless Matrix	Codeforces	7
41	Freezing with Style	Codeforces	10
42	Road Repairs	Codeforces	9
43	Weak Subsequence	Codeforces	9
44	Sereja and Squares	Codeforces	9
45	Levko and Game	Codeforces	9
46	Ping-Pong	Codeforces	10
47	Function	Codeforces	9
48	Quick Tortoise	Codeforces	9
49	Pilgrims	Codeforces	9
50	The Classic Problem	Codeforces	9
51	Meeting Her	Codeforces	9
52	Mystic Carvings	Codeforces	9
53	Yaroslav and Arrangements	Codeforces	9
54	Jzzhu and Squares	Codeforces	9
55	Roadside Trees	Codeforces	9
56	Appleman and a Game	Codeforces	9
57	Parking Lot	Codeforces	9
58	Cookie Clicker	Codeforces	9
59	Doodle Jump	Codeforces	10
60	Xenia and String Problem	Codeforces	10
61	Mogohu-Rea Idol	Codeforces	8
62	Random Ranking	Codeforces	10
63	Empty Rectangles	Codeforces	9
64	Mirror Room	Codeforces	10
65	Little Pony and Lord Tirek	Codeforces	9
66	k-d-sequence	Codeforces	10
67	Drawing Circles is Fun	Codeforces	9
68	Fox And Polygon	Codeforces	8
69	Evil	Codeforces	10
70	Darts	Codeforces	9
71	Subsequences Return	Codeforces	9
72	Red and Black Tree	Codeforces	10
73	The Child and Binary Tree	Codeforces	10
74	Sequence Transformation	Codeforces	10
75	Gena and Second Distance	Codeforces	9
76	Two Rooted Trees	Codeforces	9
77	Matrix	Codeforces	9
78	Planar Graph	Codeforces	10
79	Misha and LCP on Tree	Codeforces	9
80	Sleeping	Codeforces	8
81	String Theory	Codeforces	10
82	Martian Colony	Codeforces	10
83	Birthday	Codeforces	10
84	Sharti	Codeforces	8
85	Tourists	Codeforces	9
86	Furukawa Nagisa's Tree	Codeforces	9
87	ELCA	Codeforces	10
88	Lucky Interval	Codeforces	10
89	On Iteration of One Well-Known Function	Codeforces	10
90	Soap Time! - 2	Codeforces	9
91	Mashmokh's Designed Problem	Codeforces	10
92	Fox and Meteor Shower	Codeforces	10
93	Heaven Tour	Codeforces	9
94	Fire and Ice	Codeforces	10
95	Pills	Codeforces	10
96	Dreamoon and Notepad	Codeforces	10
97	Sorting Permutations	Codeforces	10
98	Help Greg the Dwarf 2	Codeforces	10
99	Petya and Rectangle	Codeforces	10
100	Permanent	Codeforces	9