Extra problems for experienced users or users with Codeforces Rating >= 2200 (Extra). |
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ID | Problem Name | Online Judge | Difficulty Level |
---|---|---|---|
1 | Bus to Udayland | Codeforces | 1 |
2 | LLPS | Codeforces | 1 |
3 | Playing with Dice | Codeforces | 1 |
4 | Taymyr is calling you | Codeforces | 1 |
5 | Summer Camp | Codeforces | 1 |
6 | Soldier and Bananas | Codeforces | 1 |
7 | Wizards' Duel | Codeforces | 1 |
8 | Opponents | Codeforces | 1 |
9 | Free Ice Cream | Codeforces | 1 |
10 | Drazil and Date | Codeforces | 2 |
11 | Arpa’s hard exam and Mehrdad’s naive cheat | Codeforces | 2 |
12 | Multiplication Table | Codeforces | 2 |
13 | Kefa and First Steps | Codeforces | 2 |
14 | Lecture | Codeforces | 2 |
15 | Nicholas and Permutation | Codeforces | 2 |
16 | Pasha and Stick | Codeforces | 2 |
17 | Different is Good | Codeforces | 2 |
18 | Uncowed Forces | Codeforces | 2 |
19 | Case of the Zeros and Ones | Codeforces | 2 |
20 | Saitama Destroys Hotel | Codeforces | 2 |
21 | Tavas and Nafas | Codeforces | 2 |
22 | Bear and Five Cards | Codeforces | 2 |
23 | Bear and Finding Criminals | Codeforces | 2 |
24 | Calculating Function | Codeforces | 2 |
25 | Lovely Palindromes | Codeforces | 2 |
26 | Joysticks | Codeforces | 2 |
27 | Timofey and cubes | Codeforces | 2 |
28 | Complicated GCD | Codeforces | 2 |
29 | Two Bases | Codeforces | 3 |
30 | Rebranding | Codeforces | 3 |
31 | Semifinals | Codeforces | 3 |
32 | Median Smoothing | Codeforces | 3 |
33 | Digital Counter | Codeforces | 3 |
34 | Tavas and SaDDas | Codeforces | 3 |
35 | Little Robber Girl's Zoo | Codeforces | 3 |
36 | Alternative Thinking | Codeforces | 3 |
37 | Misha and Changing Handles | Codeforces | 3 |
38 | Valuable Resources | Codeforces | 3 |
39 | Beautiful Paintings | Codeforces | 3 |
40 | World Tour | Codeforces | 4 |
41 | Arpa’s obvious problem and Mehrdad’s terrible solution | Codeforces | 4 |
42 | Berzerk | Codeforces | 4 |
43 | Tennis Championship | Codeforces | 4 |
44 | Watering Flowers | Codeforces | 4 |
45 | Approximating a Constant Range | Codeforces | 4 |
46 | OR in Matrix | Codeforces | 4 |
47 | Game of Credit Cards | Codeforces | 4 |
48 | Day at the Beach | Codeforces | 4 |
49 | Report | Codeforces | 4 |
50 | Guest From the Past | Codeforces | 4 |
51 | Modular Equations | Codeforces | 4 |
52 | Tavas and Karafs | Codeforces | 4 |
53 | Hamming Distance Sum | Codeforces | 4 |
54 | Misha and Permutations Summation | Codeforces | 4 |
55 | Mike and Fun | Codeforces | 4 |
56 | Harmony Analysis | Codeforces | 4 |
57 | Vasya and Wrestling | Codeforces | 4 |
58 | Alyona and a tree | Codeforces | 4 |
59 | More Cowbell | Codeforces | 4 |
60 | Logo Turtle | Codeforces | 4 |
61 | Moodular Arithmetic | Codeforces | 4 |
62 | Taxes | Codeforces | 4 |
63 | Recycling Bottles | Codeforces | 4 |
64 | Gena's Code | Codeforces | 4 |
65 | Image Preview | Codeforces | 4 |
66 | Symmetric and Transitive | Codeforces | 4 |
67 | Lipshitz Sequence | Codeforces | 4 |
68 | Chip 'n Dale Rescue Rangers | Codeforces | 4 |
69 | Candy Boxes | Codeforces | 5 |
70 | Legacy | Codeforces | 5 |
71 | Bamboo Partition | Codeforces | 5 |
72 | Running Track | Codeforces | 5 |
73 | Kleofáš and the n-thlon | Codeforces | 5 |
74 | Mushroom Gnomes - 2 | Codeforces | 5 |
75 | Hanoi Factory | Codeforces | 5 |
76 | Last Chance | Codeforces | 5 |
77 | Anton and Ira | Codeforces | 5 |
78 | Build String | Codeforces | 5 |
79 | Vladik and cards | Codeforces | 5 |
80 | Decoding Genome | Codeforces | 5 |
81 | Inna and Binary Logic | Codeforces | 5 |
82 | Happy Tree Party | Codeforces | 5 |
83 | Anton and Permutation | Codeforces | 5 |
84 | Little Elephant and LCM | Codeforces | 5 |
85 | Spongebob and Squares | Codeforces | 5 |
86 | Money Transfers | Codeforces | 5 |
87 | Strictly Positive Matrix | Codeforces | 5 |
88 | Minimization | Codeforces | 5 |
89 | Random Task | Codeforces | 5 |
90 | Let's Play Osu! | Codeforces | 5 |
91 | Palindromes | Codeforces | 5 |
92 | Messenger | Codeforces | 5 |
93 | Hongcow Buys a Deck of Cards | Codeforces | 5 |
94 | Love Triangles | Codeforces | 5 |
95 | Pluses everywhere | Codeforces | 5 |
96 | Paths and Trees | Codeforces | 5 |
97 | Lengthening Sticks | Codeforces | 5 |
98 | Sonya and Problem Wihtout a Legend | Codeforces | 5 |
99 | Till I Collapse | Codeforces | 5 |
100 | Cipher | Codeforces | 5 |
101 | Apple Tree | Codeforces | 5 |
102 | Flawed Flow | Codeforces | 5 |
103 | Complete The Graph | Codeforces | 5 |
104 | Superior Periodic Subarrays | Codeforces | 5 |
105 | Lieges of Legendre | Codeforces | 5 |
106 | Bear and Square Grid | Codeforces | 5 |
107 | Bear and Tower of Cubes | Codeforces | 5 |
108 | Invariance of Tree | Codeforces | 5 |
109 | Points on Plane | Codeforces | 5 |
110 | ZS and The Birthday Paradox | Codeforces | 6 |
111 | Bear in the Field | Codeforces | 6 |
112 | Famil Door and Roads | Codeforces | 6 |
113 | Break Up | Codeforces | 6 |
114 | Devu and Flowers | Codeforces | 6 |
115 | Alyona and towers | Codeforces | 6 |
116 | Find a car | Codeforces | 6 |
117 | Bear and Floodlight | Codeforces | 6 |
118 | Ostap and Tree | Codeforces | 6 |
119 | Strange Calculation and Cats | Codeforces | 6 |
120 | Change-free | Codeforces | 6 |
121 | Graph Cutting | Codeforces | 6 |
122 | Vanya and Balloons | Codeforces | 6 |
123 | Anya and Cubes | Codeforces | 6 |
124 | Game on Tree | Codeforces | 6 |
125 | Bear and Drawing | Codeforces | 6 |
126 | The Last Fight Between Human and AI | Codeforces | 6 |
127 | Trains and Statistic | Codeforces | 6 |
128 | Inversions After Shuffle | Codeforces | 6 |
129 | Marbles | Codeforces | 6 |
130 | Acyclic Organic Compounds | Codeforces | 6 |
131 | Peterson Polyglot | Codeforces | 6 |
132 | Power Tree | Codeforces | 6 |
133 | Codeword | Codeforces | 6 |
134 | Wilbur and Strings | Codeforces | 7 |
135 | Iahub and Xors | Codeforces | 7 |
136 | Sandy and Nuts | Codeforces | 7 |
137 | Dima and Figure | Codeforces | 7 |
138 | Maximum Waterfall | Codeforces | 7 |
139 | String | Codeforces | 7 |
140 | Animals and Puzzle | Codeforces | 7 |
141 | Splitting the Uniqueness | Codeforces | 7 |
142 | Levko and Strings | Codeforces | 7 |
143 | Max and Bike | Codeforces | 7 |
144 | Yaroslav and Points | Codeforces | 7 |
145 | Anniversary | Codeforces | 7 |
146 | Ultimate Weirdness of an Array | Codeforces | 7 |
147 | Sereja and Sets | Codeforces | 7 |
148 | Permutations | Codeforces | 7 |
149 | Curious Array | Codeforces | 7 |
150 | Little Elephant and Tree | Codeforces | 7 |
151 | Parquet Re-laying | Codeforces | 7 |
152 | Timofey and remoduling | Codeforces | 7 |
153 | Misha and Palindrome Degree | Codeforces | 7 |
154 | Kefa and Watch | Codeforces | 7 |
155 | Arpa’s overnight party and Mehrdad’s silent entering | Codeforces | 7 |
156 | Timofey and our friends animals | Codeforces | 7 |
157 | Digit Tree | Codeforces | 7 |
158 | Product Sum | Codeforces | 7 |
159 | Choosing Subtree is Fun | Codeforces | 8 |
160 | Cyclical Quest | Codeforces | 8 |
161 | Sereja and Intervals | Codeforces | 8 |
162 | Hamming Triples | Codeforces | 8 |
163 | Fox And Polygon | Codeforces | 8 |
164 | Black Widow | Codeforces | 8 |
165 | Maxim and Increasing Subsequence | Codeforces | 8 |
166 | Vasya and Polynomial | Codeforces | 8 |
167 | Gosha is hunting | Codeforces | 8 |
168 | Bear and Chase | Codeforces | 8 |
169 | Fetch the Treasure | Codeforces | 8 |
170 | Jeff and Removing Periods | Codeforces | 8 |
171 | Random Function and Tree | Codeforces | 8 |
172 | Timofey and a flat tree | Codeforces | 8 |
173 | World of Darkraft - 2 | Codeforces | 8 |
174 | Drazil and Morning Exercise | Codeforces | 8 |
175 | Boolean Function | Codeforces | 8 |
176 | Misha and XOR | Codeforces | 8 |
177 | Randomizer | Codeforces | 8 |
178 | Roads in Yusland | Codeforces | 8 |
179 | Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths | Codeforces | 8 |
180 | New Language | Codeforces | 8 |
181 | Flights for Regular Customers | Codeforces | 8 |
182 | Cow Tennis Tournament | Codeforces | 9 |
183 | Fence | Codeforces | 9 |
184 | Maxim and Calculator | Codeforces | 9 |
185 | Bear and Bowling | Codeforces | 9 |
186 | Bear and Cavalry | Codeforces | 9 |
187 | Pastoral Oddities | Codeforces | 9 |
188 | k-Maximum Subsequence Sum | Codeforces | 9 |
189 | Little Pony and Elements of Harmony | Codeforces | 9 |
190 | Parking Lot | Codeforces | 9 |
191 | Quick Tortoise | Codeforces | 9 |
192 | Little Pony and Lord Tirek | Codeforces | 9 |
193 | Ladies' Shop | Codeforces | 9 |
194 | Clockwork Bomb | Codeforces | 9 |
195 | Campus | Codeforces | 9 |
196 | Points and Segments | Codeforces | 9 |
197 | Mirror Room | Codeforces | 10 |
198 | Listening to Music | Codeforces | 10 |
199 | Pumping Stations | Codeforces | 10 |
200 | k-d-sequence | Codeforces | 10 |