Ladder Name: 30 - 2000 <= Codeforces Rating <= 2099 (Extra)

Description: Extra problems for users satisfying this condition: 2000 <= Codeforces Rating <= 2099 (Extra).

Difficulty Level: 5

ID	Problem Name	Online Judge	Difficulty Level
1	George and Accommodation	Codeforces	1
2	Opponents	Codeforces	1
3	Patrick and Shopping	Codeforces	1
4	Mashmokh and Lights	Codeforces	1
5	Squats	Codeforces	1
6	Sereja and Mugs	Codeforces	1
7	Summer Camp	Codeforces	1
8	Case of the Zeros and Ones	Codeforces	2
9	Lucky String	Codeforces	2
10	Queue on Bus Stop	Codeforces	2
11	Currency System in Geraldion	Codeforces	2
12	Saitama Destroys Hotel	Codeforces	2
13	Lecture	Codeforces	2
14	Uncowed Forces	Codeforces	2
15	Drazil and Date	Codeforces	2
16	Different is Good	Codeforces	2
17	Case of Fake Numbers	Codeforces	3
18	Plant	Codeforces	3
19	Infinite Sequence	Codeforces	3
20	K-special Tables	Codeforces	3
21	Digital Counter	Codeforces	3
22	Xor-tree	Codeforces	3
23	Memory and Trident	Codeforces	3
24	Vasya and Football	Codeforces	3
25	Lucky Mask	Codeforces	3
26	Alternative Thinking	Codeforces	3
27	Tournament	Codeforces	3
28	Sereja and Algorithm	Codeforces	3
29	Megacity	Codeforces	3
30	Beautiful Paintings	Codeforces	3
31	Petya and Square	Codeforces	3
32	Valuable Resources	Codeforces	3
33	Progress Bar	Codeforces	3
34	Garland	Codeforces	3
35	War of the Corporations	Codeforces	3
36	Misha and Changing Handles	Codeforces	3
37	Milking cows	Codeforces	3
38	Sereja and Mirroring	Codeforces	3
39	The Child and Homework	Codeforces	3
40	Vasya and String	Codeforces	4
41	Pyramid of Glasses	Codeforces	4
42	Restoring Painting	Codeforces	4
43	Petya and Inequiations	Codeforces	4
44	Buns	Codeforces	4
45	Sereja and Prefixes	Codeforces	4
46	Cthulhu	Codeforces	4
47	Chris and Magic Square	Codeforces	4
48	Logo Turtle	Codeforces	4
49	Moodular Arithmetic	Codeforces	4
50	Vasiliy's Multiset	Codeforces	4
51	Message	Codeforces	4
52	24 Game	Codeforces	4
53	Mike and Chocolate Thieves	Codeforces	4
54	Peter and Snow Blower	Codeforces	4
55	Secret Combination	Codeforces	4
56	Hometask	Codeforces	4
57	Alice and Bob	Codeforces	4
58	Memory and De-Evolution	Codeforces	4
59	Levko and Array Recovery	Codeforces	4
60	Vasya and Wrestling	Codeforces	4
61	Kay and Snowflake	Codeforces	4
62	Alternating Current	Codeforces	4
63	Coloring Trees	Codeforces	4
64	Multitasking	Codeforces	4
65	History	Codeforces	4
66	Zuma	Codeforces	4
67	Fish Weight	Codeforces	4
68	Sereja and Swaps	Codeforces	4
69	The Child and Set	Codeforces	4
70	Tavas and Karafs	Codeforces	4
71	Once Again...	Codeforces	4
72	Win or Freeze	Codeforces	4
73	More Cowbell	Codeforces	4
74	World Tour	Codeforces	4
75	Chip 'n Dale Rescue Rangers	Codeforces	4
76	Pythagorean Triples	Codeforces	4
77	Subsegments	Codeforces	4
78	Divisible by Seven	Codeforces	4
79	The Two Routes	Codeforces	4
80	Lipshitz Sequence	Codeforces	4
81	Inna and Sequence	Codeforces	4
82	Theseus and labyrinth	Codeforces	5
83	Table	Codeforces	5
84	Gifts by the List	Codeforces	5
85	Fragile Bridges	Codeforces	5
86	Minimization	Codeforces	5
87	Lengthening Sticks	Codeforces	5
88	Sereja and Periods	Codeforces	5
89	Anton and Ira	Codeforces	5
90	Vika and Segments	Codeforces	5
91	Karen and Supermarket	Codeforces	5
92	Happy Tree Party	Codeforces	5
93	Number Transformation	Codeforces	5
94	Invariance of Tree	Codeforces	5
95	Little Elephant and Shifts	Codeforces	5
96	Queue	Codeforces	5
97	Ksenia and Pawns	Codeforces	5
98	Table Compression	Codeforces	5
99	Petya and Spiders	Codeforces	5
100	Free Market	Codeforces	5
101	Relay Race	Codeforces	5
102	Flawed Flow	Codeforces	5
103	Complete The Graph	Codeforces	5
104	Coloring Brackets	Codeforces	5
105	Ilya and Roads	Codeforces	5
106	Lucky Numbers	Codeforces	5
107	Compartments	Codeforces	5
108	Xenia and Hamming	Codeforces	5
109	Little Elephant and Furik and Rubik	Codeforces	5
110	Inna and Binary Logic	Codeforces	5
111	The Road to Berland is Paved With Good Intentions	Codeforces	5
112	Maxim and Restaurant	Codeforces	5
113	Spongebob and Squares	Codeforces	5
114	The table	Codeforces	5
115	Numbers	Codeforces	5
116	Vladik and cards	Codeforces	5
117	Partial Sums	Codeforces	5
118	Points on Plane	Codeforces	5
119	Running Track	Codeforces	5
120	Alyona and Strings	Codeforces	5
121	Famil Door and Brackets	Codeforces	5
122	Preparing for the Contest	Codeforces	5
123	Strictly Positive Matrix	Codeforces	5
124	Compatible Numbers	Codeforces	5
125	Love Triangles	Codeforces	5
126	Police Patrol	Codeforces	5
127	Time to Raid Cowavans	Codeforces	5
128	Directed Roads	Codeforces	5
129	Money Transfers	Codeforces	5
130	Messenger	Codeforces	5
131	Mishka and Interesting sum	Codeforces	5
132	Two Strings	Codeforces	5
133	Persistent Bookcase	Codeforces	5
134	Ring Road 2	Codeforces	5
135	Lucky Number Representation	Codeforces	5
136	Little Elephant and LCM	Codeforces	5
137	Superior Periodic Subarrays	Codeforces	5
138	Pluses everywhere	Codeforces	5
139	Cubes	Codeforces	5
140	Friends and Subsequences	Codeforces	5
141	Kleofáš and the n-thlon	Codeforces	5
142	Mike and Geometry Problem	Codeforces	5
143	Lieges of Legendre	Codeforces	5
144	Apple Tree	Codeforces	5
145	Sonya and Problem Wihtout a Legend	Codeforces	5
146	Ant Man	Codeforces	6
147	Alyona and towers	Codeforces	6
148	Double Happiness	Codeforces	6
149	Lovely Matrix	Codeforces	6
150	Devu and Flowers	Codeforces	6
151	George and Cards	Codeforces	6
152	Anya and Cubes	Codeforces	6
153	Game on Tree	Codeforces	6
154	Garlands	Codeforces	6
155	Codeword	Codeforces	6
156	Game with Powers	Codeforces	6
157	Graph Cutting	Codeforces	6
158	Wilbur and Trees	Codeforces	6
159	Thwarting Demonstrations	Codeforces	6
160	Trains and Statistic	Codeforces	6
161	ZS and The Birthday Paradox	Codeforces	6
162	Arthur and Brackets	Codeforces	6
163	Acyclic Organic Compounds	Codeforces	6
164	Dividing Kingdom II	Codeforces	7
165	Animals and Puzzle	Codeforces	7
166	Splitting the Uniqueness	Codeforces	7
167	Curious Array	Codeforces	7
168	Igloo Skyscraper	Codeforces	7
169	Clearing Up	Codeforces	7
170	President's Path	Codeforces	7
171	String	Codeforces	7
172	Painting Square	Codeforces	7
173	Alphabet Permutations	Codeforces	7
174	Kefa and Watch	Codeforces	7
175	Sereja and Sets	Codeforces	7
176	Game with Strings	Codeforces	7
177	Clues	Codeforces	7
178	Counter Attack	Codeforces	7
179	Ilya and Two Numbers	Codeforces	7
180	Lucky Country	Codeforces	7
181	Interval Cubing	Codeforces	7
182	Little Victor and Set	Codeforces	7
183	Minimum Modular	Codeforces	7
184	Sandy and Nuts	Codeforces	7
185	Sereja and Straight Lines	Codeforces	7
186	Linear Kingdom Races	Codeforces	7
187	Yaroslav and Points	Codeforces	7
188	Arpa’s overnight party and Mehrdad’s silent entering	Codeforces	7
189	Iahub and Xors	Codeforces	7
190	Working routine	Codeforces	7
191	Sereja and Sets	Codeforces	7
192	Levko and Strings	Codeforces	7
193	Product Sum	Codeforces	7
194	Little Elephant and Tree	Codeforces	7
195	Maze	Codeforces	8
196	Blood Cousins Return	Codeforces	8
197	Drazil and Morning Exercise	Codeforces	8
198	Jeff and Removing Periods	Codeforces	8
199	Bags and Coins	Codeforces	8
200	Choosing Subtree is Fun	Codeforces	8