Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
57D	Journey dp, math	2500	x327
93D	Flags dp, math, matrices	2500	x331
1942G	Bessie and Cards combinatorics, dp, math	2800	x333
1168D	Anagram Paths dp, implementation, trees	3000	x333
11E	Forward, march! binary search, dp, greedy	2800	x334
1439D	INOI Final Contests combinatorics, dp, fft	3100	x336
713E	Sonya Partymaker binary search, dp	3300	x336
238E	Meeting Her dp, graphs, shortest paths	2600	x336
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x337
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x342
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x343
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x343
955F	Heaps dp, trees	2600	x344
58E	Expression dp	2400	x345
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x347
883D	Packmen Strike Back binary search, dp, math	2500	x348
774J	Stepan's Series *special problem, dp	2000	x349
1290F	Making Shapes dp	3500	x350
1067D	Computer Game dp, greedy, math, probabilities	3100	x350
1725J	Journey dp, trees	2500	x353
1279E	New Year Permutations combinatorics, dp	2700	x353
301E	Yaroslav and Arrangements dp	2800	x354
436F	Banners brute force, data structures, dp	3000	x355
314E	Sereja and Squares dp	2900	x355
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x357
273E	Dima and Game dp, games	2600	x357
1487F	Ones dp, greedy, shortest paths	2900	x358
848D	Shake It! combinatorics, dp, flows, graphs	2900	x359
1765C	Card Guessing combinatorics, dp, probabilities	2600	x360
107C	Arrangement bitmasks, dp	2400	x360
1746E2	Joking (Hard Version) dp, interactive	3200	x361
331C2	The Great Julya Calendar dp	2400	x361
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x362
612F	Simba on the Circle dp	2600	x363
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x364
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x365
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x365
382E	Ksenia and Combinatorics combinatorics, dp	2600	x365
1393E1	Twilight and Ancient Scroll (easier version) dp, hashing, implementation, string suffix structures, strings	2800	x366
856D	Masha and Cactus dp, trees	2400	x366
1346E	Magic Tricks *special problem, dp, graphs	1700	x368
917C	Pollywog combinatorics, dp, matrices	2900	x369
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x370
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x373
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x373
38F	Smart Boy dp, games, strings	2100	x374
1647F	Madoka and Laziness dp, greedy	3100	x375
212C	Cowboys combinatorics, dp, math	2100	x375
1473G	Tiles combinatorics, dp, fft, math	2800	x377
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x378
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x379
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x380
718D	Andrew and Chemistry dp, hashing, trees	2900	x381
273D	Dima and Figure dp	2400	x383
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x386
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x386
37D	Lesson Timetable combinatorics, dp, math	2300	x386
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x387
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2500	x387
201D	Brand New Problem bitmasks, brute force, dp	2600	x387
183D	T-shirt dp, greedy, probabilities	2700	x389
204D	Little Elephant and Retro Strings dp	2400	x390
1158F	Density of subarrays dp, math	3500	x391
1603E	A Perfect Problem combinatorics, dp, math	3200	x393
1523F	Favorite Game bitmasks, dp	3300	x393
1455G	Forbidden Value data structures, dp	2900	x393
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x393
1103D	Professional layer bitmasks, dp	3100	x393
264E	Roadside Trees data structures, dp	3000	x393
263E	Rhombus brute force, data structures, dp	2500	x393
375E	Red and Black Tree dp, implementation, math	3000	x396
1155F	Delivery Oligopoly brute force, dp, graphs	2800	x397
1082F	Speed Dial dp, strings, trees	2800	x397
593E	Strange Calculation and Cats dp, matrices	2400	x397
1415F	Cakes for Clones dp	2900	x398
1131G	Most Dangerous Shark data structures, dp, two pointers	2700	x398
107D	Crime Management dp, graphs, matrices	2400	x398
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x399
1327G	Letters and Question Marks bitmasks, dp, string suffix structures	2800	x400
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x400
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x402
930E	Coins Exhibition data structures, dp, math	2900	x402
261E	Maxim and Calculator brute force, dp, two pointers	2800	x402
1732E	Location data structures, dp, math, number theory	2800	x403
1809G	Prediction combinatorics, dp, math	2800	x405
264D	Colorful Stones dp, two pointers	2500	x405
1730F	Almost Sorted bitmasks, data structures, dp	2700	x408
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x408
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x409
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x410
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x410
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x412
95D	Horse Races dp, math	2500	x412
845F	Guards In The Storehouse bitmasks, dp	2500	x413
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x414
1455F	String and Operations dp, greedy	2800	x414
1193B	Magic Tree *special problem, data structures, dp, trees		x414
316D2	PE Lesson dp	2300	x414
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x416
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x417