ID Problem Show tags Hide tags AC / Tried Difficulty
10189 P1901B   Chip and Ribbon 0 / 0 3
10188 P1901C   Add, Divide and Floor 0 / 0 4
10187 P1901D   Yet Another Monster Fight 0 / 0 5
10186 P1901E   Compressed Tree 0 / 0 8
10185 P1901F   Landscaping 0 / 0 10
10318 P1907F   Shift and Reverse 0 / 0 6
10317 P1907G   Lights 0 / 0 8
10316 P1909A   Distinct Buttons 0 / 0 3
10315 P1909B   Make Almost Equal With Mod 0 / 0 4
10314 P1909C   Heavy Intervals 0 / 0 4
10313 P1909D   Split Plus K 0 / 0 6
10312 P1909E   Multiple Lamps 0 / 0 9
10311 P1909F1   Small Permutation Problem (Easy Version) 0 / 0 8
10310 P1909F2   Small Permutation Problem (Hard Version) 0 / 0 9
10309 P1909G   Pumping Lemma 0 / 0 10
10308 P1909H   Parallel Swaps Sort 0 / 0 10
10307 P1909I   Short Permutation Problem 0 / 0 10
10306 P1910A   Username 0 / 0 3
10305 P1910B   Security Guard 0 / 0 5
10304 P1910C   Poisonous Swamp 0 / 0 5
10303 P1910D   Remove and Add 0 / 0 6
10302 P1910E   Maximum Sum Subarrays 0 / 0 7
10301 P1910F   Build Railway Stations 0 / 0 7
10300 P1910G   Pool Records 0 / 0 10
10299 P1910H   Sum of Digits of Sums 0 / 0 9
10298 P1910I   Inverse Problem 0 / 0 10
10297 P1910J   Two Colors 0 / 0 10
10296 P1912A   Accumulator Apex 0 / 0 6
10295 P1912B   Blueprint for Seating 0 / 0 7
10294 P1912C   __NO_TITLE__ 0 / 0 (None)
10248 P1912D   Divisibility Test 0 / 0 6
10247 P1912E   Evaluate It and Back Again 0 / 0 8
10246 P1912F   Fugitive Frenzy 0 / 0 10
10245 P1912G   __NO_TITLE__ 0 / 0 (None)
10244 P1912H   Hypercatapult Commute 0 / 0 9
10243 P1912I   __NO_TITLE__ 0 / 0 (None)
10242 P1912J   __NO_TITLE__ 0 / 0 (None)
10241 P1912K   Kim's Quest 0 / 0 6
10240 P1912L   LOL Lovers 0 / 0 3
10239 P1913A   Rating Increase 0 / 0 3
10238 P1913B   Swap and Delete 0 / 0 3
10237 P1913C   Game with Multiset 0 / 0 4
10236 P1913D   Array Collapse 0 / 0 7
10235 P1913E   Matrix Problem 0 / 0 9
10234 P1913F   Palindromic Problem 0 / 0 10
10233 P1914A   Problemsolving Log 0 / 0 3
10232 P1914B   Preparing for the Contest 0 / 0 3
10231 P1914C   Quests 0 / 0 3
10230 P1914D   Three Activities 0 / 0 4
10229 P1914E1   Game with Marbles (Easy Version) 0 / 0 4
10228 P1914E2   Game with Marbles (Hard Version) 0 / 0 4
10227 P1914F   Programming Competition 0 / 0 6
10226 P1914G1   Light Bulbs (Easy Version) 0 / 0 7
10225 P1914G2   Light Bulbs (Hard Version) 0 / 0 8
10293 P1915A   Odd One Out 0 / 0 3
10292 P1915B   Not Quite Latin Square 0 / 0 3
10291 P1915C   Can I Square? 0 / 0 3
10290 P1915D   Unnatural Language Processing 0 / 0 3
10289 P1915E   Romantic Glasses 0 / 0 4
10288 P1915F   Greetings 0 / 0 5
10287 P1915G   Bicycles 0 / 0 6
10286 P1916A   2023 0 / 0 3
10285 P1916B   Two Divisors 0 / 0 3
10284 P1916C   Training Before the Olympiad 0 / 0 4
10283 P1916D   Mathematical Problem 0 / 0 5
10282 P1916E   Happy Life in University 0 / 0 8
10281 P1916F   Group Division 0 / 0 10
10280 P1916G   Optimizations From Chelsu 0 / 0 10
10279 P1916H1   Matrix Rank (Easy Version) 0 / 0 10
10278 P1916H2   Matrix Rank (Hard Version) 0 / 0 10
10224 P1917A   Least Product 0 / 0 3
10223 P1917B   Erase First or Second Letter 0 / 0 3
10222 P1917C   Watering an Array 0 / 0 5
10221 P1917D   Yet Another Inversions Problem 0 / 0 8
10220 P1917E   Construct Matrix 0 / 0 9
10219 P1917F   Construct Tree 0 / 0 9
10347 P1918A   Brick Wall 0 / 0 3
10346 P1918B   Minimize Inversions 0 / 0 3
10345 P1918C   XOR-distance 0 / 0 4
10344 P1918D   Blocking Elements 0 / 0 6
10343 P1918E   ace5 and Task Order 0 / 0 8
10342 P1918F   Caterpillar on a Tree 0 / 0 9
10341 P1918G   Permutation of Given 0 / 0 10
10277 P1919A   Wallet Exchange 0 / 0 3
10276 P1919B   Plus-Minus Split 0 / 0 3
10275 P1919C   Grouping Increases 0 / 0 4
10274 P1919D   01 Tree 0 / 0 7
10273 P1919E   Counting Prefixes 0 / 0 10
10272 P1919F1   Wine Factory (Easy Version) 0 / 0 8
10271 P1919F2   Wine Factory (Hard Version) 0 / 0 10
10270 P1919G   Tree LGM 0 / 2 10
10269 P1919H   Tree Diameter 0 / 0 10
10268 P1920A   Satisfying Constraints 0 / 0 3
10267 P1920B   Summation Game 0 / 0 3
10266 P1920C   Partitioning the Array 0 / 0 5
10265 P1920D   Array Repetition 0 / 0 6
10264 P1920E   Counting Binary Strings 0 / 0 7
10263 P1920F1   Smooth Sailing (Easy Version) 0 / 0 9
10262 P1920F2   Smooth Sailing (Hard Version) 0 / 0 10
10261 P1921A   Square 0 / 0 3

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