Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
34:54:49
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Problems

#	Name
437E	The Child and Polygon dp, geometry	2500	x693
436F	Banners brute force, data structures, dp	3000	x371
436D	Pudding Monsters dp	2800	x321
433E	Tachibana Kanade's Tofu dp	2500	x474
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x931
427D	Match & Catch dp, string suffix structures, strings	2200	x2121
425E	Sereja and Sets dp	2500	x552
425C	Sereja and Two Sequences data structures, dp	2300	x885
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x129
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x558
416E	President's Path dp, graphs, shortest paths	2500	x1397
407D	Largest Submatrix 3 dp, hashing	2700	x546
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1076
385D	Bear and Floodlight bitmasks, dp, geometry	2200	x801
383E	Vowels combinatorics, divide and conquer, dp	2700	x2818
383D	Antimatter dp	2300	x2913
382E	Ksenia and Combinatorics combinatorics, dp	2600	x369
379G	New Year Cactus dp	3100	x140
377E	Cookie Clicker dp, geometry	2800	x447
377C	Captains Mode bitmasks, dp, games	2200	x1110
375E	Red and Black Tree dp, implementation, math	3000	x401
370E	Summer Reading dp, greedy	2500	x233
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1105
367E	Sereja and Intervals combinatorics, dp	2700	x1077
364B	Free Market dp, greedy	2200	x1152
360C	Levko and Strings combinatorics, dp	2500	x1071
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x404
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x942
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x873
354D	Transferring Pyramid dp	2900	x443
354B	Game with Strings bitmasks, dp, games	2400	x450
353E	Antichain dp, graph matchings, greedy	2200	x573
351C	Jeff and Brackets dp, matrices	2500	x541
348E	Pilgrims dfs and similar, dp, trees	2800	x429
348D	Turtles dp, matrices	2500	x1631
346D	Robot Control dp, graphs, shortest paths	2600	x705
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x112
335F	Buy One, Get One Free dp, greedy	3000	x483
335E	Counting Skyscrapers dp, math, probabilities	2800	x219
335D	Rectangles and Square brute force, dp	2400	x306
332E	Binary Key dp, greedy, implementation	2400	x299
331E2	Deja Vu constructive algorithms, dp	3100	x218
331C3	The Great Julya Calendar dp	2500	x466
331C2	The Great Julya Calendar dp	2400	x368
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1360
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4718
321D	Ciel and Flipboard dp, greedy, math	2900	x529
317D	Game with Powers dp, games	2300	x985
316D3	PE Lesson dp, math	2400	x552
316D2	PE Lesson dp	2300	x436
316D1	PE Lesson brute force, dp	2300	x497
314E	Sereja and Squares dp	2900	x366
311B	Cats Transport data structures, dp	2400	x3284
303E	Random Ranking dp, math, probabilities	3000	x315
301E	Yaroslav and Arrangements dp	2800	x363
300D	Painting Square dp, fft	2300	x741
295D	Greg and Caves combinatorics, dp	2400	x640
294E	Shaass the Great dp, trees	2300	x918
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x287
285E	Positions in Permutations combinatorics, dp, math	2600	x955
283D	Cows and Cool Sequences dp, math, number theory	2400	x527
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x200
279D	The Minimum Number of Variables bitmasks, dp	2200	x714
277D	Google Code Jam dp, probabilities	2800	x331
273E	Dima and Game dp, games	2600	x363
273D	Dima and Figure dp	2400	x386
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x433
268D	Wall Bars dp	2300	x501
264E	Roadside Trees data structures, dp	3000	x398
264D	Colorful Stones dp, two pointers	2500	x408
263E	Rhombus brute force, data structures, dp	2500	x396
261E	Maxim and Calculator brute force, dp, two pointers	2800	x406
261D	Maxim and Increasing Subsequence dp	2600	x554
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1221
256D	Liars and Serge dp	2700	x256
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x169
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x399
248E	Piglet's Birthday dp, math, probabilities	2600	x570
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3025
243D	Cubes data structures, dp, geometry, two pointers	2700	x211
238E	Meeting Her dp, graphs, shortest paths	2600	x348
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x759
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x682
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x282
229E	Gifts combinatorics, dp, math, probabilities	2600	x454
217C	Formurosa divide and conquer, dp, expression parsing	2600	x313
204D	Little Elephant and Retro Strings dp	2400	x420
201D	Brand New Problem bitmasks, brute force, dp	2600	x390
185C	Clever Fat Rat dp	2500	x131
183D	T-shirt dp, greedy, probabilities	2700	x400
178F2	Representative Sampling dp, sortings, strings	2200	x320
176D	Hyper String dp	2500	x305
175E	Power Defence brute force, dp, geometry, greedy	2600	x261
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x296
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x348
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6351
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1544
161E	Polycarpus the Safecracker brute force, dp	2500	x463
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x161
152E	Garden bitmasks, dp, graphs, trees	2500	x465