Problemset - Codeforces

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Problems

#	Name
613E	Puzzle Lover dp, hashing, strings	3200	x455
83E	Two Subsequences bitmasks, dp	2800	x454
480D	Parcels dp, graphs	2600	x452
229E	Gifts combinatorics, dp, math, probabilities	2600	x451
498E	Stairs and Lines dp, matrices	2700	x450
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x450
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x449
623C	Electric Charges binary search, dp	2900	x448
354B	Game with Strings bitmasks, dp, games	2400	x448
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x447
1662G	Gastronomic Event dp, greedy, trees		x445
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x444
377E	Cookie Clicker dp, geometry	2800	x444
1517F	Reunion combinatorics, dp, trees	3200	x443
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x443
228C	Fractal Detector dp, hashing	2000	x443
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x443
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x442
771E	Bear and Rectangle Strips dp, greedy	3000	x441
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x441
354D	Transferring Pyramid dp	2900	x441
1540C2	Converging Array (Hard Version) dp, math	2900	x437
93E	Lostborn dp, math, number theory	2600	x434
1725E	Electrical Efficiency combinatorics, data structures, dp, math, number theory, trees	2500	x433
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x432
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x431
906E	Reverses dp, string suffix structures, strings	3300	x430
348E	Pilgrims dfs and similar, dp, trees	2800	x426
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x424
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
845F	Guards In The Storehouse bitmasks, dp	2500	x421
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x420
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x419
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x419
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x419
316D2	PE Lesson dp	2300	x419
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x418
1455F	String and Operations dp, greedy	2800	x418
1809G	Prediction combinatorics, dp, math	2800	x417
1193B	Magic Tree *special problem, data structures, dp, trees		x417
95D	Horse Races dp, math	2500	x415
1732E	Location data structures, dp, math, number theory	2800	x414
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x413
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x412
1730F	Almost Sorted bitmasks, data structures, dp	2700	x412
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x411
930E	Coins Exhibition data structures, dp, math	2900	x409
1082F	Speed Dial dp, strings, trees	2800	x408
1327G	Letters and Question Marks bitmasks, dp, string suffix structures	2800	x407
264D	Colorful Stones dp, two pointers	2500	x407
1415F	Cakes for Clones dp	2900	x405
261E	Maxim and Calculator brute force, dp, two pointers	2800	x405
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x404
1603E	A Perfect Problem combinatorics, dp, math	3200	x403
1155F	Delivery Oligopoly brute force, dp, graphs	2800	x402
1523F	Favorite Game bitmasks, dp	3300	x400
1131G	Most Dangerous Shark data structures, dp, two pointers	2700	x400
1103D	Professional layer bitmasks, dp	3100	x400
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x400
107D	Crime Management dp, graphs, matrices	2400	x400
593E	Strange Calculation and Cats dp, matrices	2400	x399
1455G	Forbidden Value data structures, dp	2900	x398
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x398
375E	Red and Black Tree dp, implementation, math	3000	x398
264E	Roadside Trees data structures, dp	3000	x396
204D	Little Elephant and Retro Strings dp	2400	x396
263E	Rhombus brute force, data structures, dp	2500	x394
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x394
1158F	Density of subarrays dp, math	3500	x392
183D	T-shirt dp, greedy, probabilities	2700	x392
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x390
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x390
201D	Brand New Problem bitmasks, brute force, dp	2600	x389
37D	Lesson Timetable combinatorics, dp, math	2300	x389
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x388
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2500	x388
1970E3	Trails (Hard) dp, matrices	2200	x387
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x385
273D	Dima and Figure dp	2400	x385
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x383
1473G	Tiles combinatorics, dp, fft, math	2800	x382
718D	Andrew and Chemistry dp, hashing, trees	2900	x382
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x381
1647F	Madoka and Laziness dp, greedy	3100	x377
212C	Cowboys combinatorics, dp, math	2100	x376
917C	Pollywog combinatorics, dp, matrices	2900	x375
38F	Smart Boy dp, games, strings	2100	x375
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x374
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x374
1942G	Bessie and Cards combinatorics, dp, math	2800	x373
1746E2	Joking (Hard Version) dp, interactive	3200	x373
1393E1	Twilight and Ancient Scroll (easier version) dp, hashing, implementation, string suffix structures, strings	2800	x371
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x371
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x370
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x370
1346E	Magic Tricks *special problem, dp, graphs	1700	x369
856D	Masha and Cactus dp, trees	2400	x369
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x368
1765C	Card Guessing combinatorics, dp, probabilities	2600	x368
612F	Simba on the Circle dp	2600	x368