ID Problem
8204 D9872   Write and Erase
8205 D9873   Baldman and the military
8206 D9874   Tournament Construction
8207 D9875   Roadside Trees
8208 D9876   Champions' League
8209 D9877   Artistic Art Museum
8210 D9878   Print a Frame
8211 D9879   Polyline
8212 D9880   Yet Another Bookshelf
8213 D9881   Hopping Hearts
8214 D9882   Do you want a date?
8215 D9883   Princess's Gamble
8216 D9884   Drinks Choosing
8217 D9885   Masters Tournament- - F
8218 D9886   Modulo Pairing
8219 D9887   Fibonacci Number
8220 D9888   Dima and Text Messages
8221 D9889   Binary Blocks
8222 D9890   Cableway
8223 D9891   Chris and Road
8224 D9892   I.O.U.
8225 D9893   Anton and Digits
8226 D9900   New Year and Rainbow Roads
8227 D9901   Alternative Thinking
8228 D9902   K for the Price of One (Easy Version)
8229 D9903   Unreliable Message
8230 D9904   GCD Counting
8231 D9905   Lapin Noir
8232 D9906   Arpa and an exam about geometry
8233 D9907   Mahmoud and Ehab and the final stage
8234 D9908   Dreamoon and Notepad
8235 D9909   Valeriy and Deque
8236 D9910   Cow and Fields
8237 D9911   Space Voyage
8238 D9912   Giant Graph
8239 D9913   shirts Distribution
8240 D9914   The Struggling Contestant
8241 D9915   Board Arrangements for Concentration Games
8242 D9916   Game
8243 D9917   Director
8244 D9918   Powered Addition
8245 D9919   All Your Paths are Different Lengths
8246 D9920   A Tide of Riverscape
8247 D9921   Repeating Cipher
8248 D9922   B Problem
8249 D9923   Triple
8250 D9924   Repaintings
8251 D9925   Dynamic Problem Scoring
8252 D9926   primes
8253 D9927   Inversion Counting
8254 D9928   Restore Cube
8255 D9929   Safe Area
8256 D9930   Speedrun
8257 D9931   Cards
8258 D9932   Marathon
8259 D9933   Similar Sets
8260 D9934   Hongcow Masters the Cyclic Shift
8261 D9935   Restore the Permutation by Merger
8262 D9936   Tachibana Kanade's Tofu
8263 D9937   The Sports Festival
8264 D9938   yen Saving
8265 D9939   Masters Tournament- - Saving Snuuk
8266 D9940   Save the Energy
8267 D9941   Level Generation
8268 D9942   Bicycle Race
8269 D9943   Students and Shoelaces
8270 D9944   Far Relative’s Problem
8271 D9945   Partition Game
8272 D9946   Smart Beaver and Resolving Collisions
8273 D9947   Next Trip
8274 D9948   Mateusz and Escape Room
8275 D9949   Résumé Review
8276 D9950   Pearls in a Row
8277 D9951   Microtransactions (hard version)
8278 D9952   Longest Chain
8279 D9953   Triangular numbers
8280 D9954   Burglar and Matches
8281 D9955   Anastasia and pebbles
8282 D9956   permutations
8283 D9957   Magical Calendar
8284 D9958   Warping Girl
8285 D9959   Adding Powers
8286 D9960   Mashmokh and ACM
8287 D9971   Tanuki and Fox
8288 D9972   Geometric Progression
8289 D9973   Valera and Plates
8290 D9974   Painting Tree
8291 D9975   Olympic Games
8292 D9976   Make Equal
8293 D9977   Princess's Marriage
8294 D9978   Depression
8295 D9980   Lunar New Year and a Recursive Sequence
8296 D9981   Doragoso Ball
8297 D9982   Sherlock and his girlfriend
8298 D9983   Contact ATC
8299 D9984   Balls of Buma
8300 D9985   Maximum Product
8301 D9986   Breadboard Capacity (hard version)
8302 D9987   Quarrel
8303 D9988   XOR and OR

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