Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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data structures

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Problems

#	Name
332B	Maximum Absurdity data structures, dp, implementation	1500	x7841
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x171
331B2	Shave Beaver! data structures	1900	x673
331A2	Oh Sweet Beaverette data structures, sortings	1500	x1386
323C	Two permutations data structures	2400	x572
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4674
319E	Ping-Pong data structures	3000	x634
319B	Psychos in a Line data structures, implementation	1900	x4038
316E3	Summer Homework data structures, math	2300	x506
316E2	Summer Homework data structures, math	2300	x381
316E1	Summer Homework brute force, data structures	1500	x1448
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x517
314C	Sereja and Subsequences data structures, dp	2000	x1809
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x542
311D	Interval Cubing data structures, math	2600	x660
311C	Fetch the Treasure brute force, data structures, graphs, shortest paths	2500	x477
311B	Cats Transport data structures, dp	2400	x3248
306B	Optimizer data structures, greedy, sortings	2100	x438
301D	Yaroslav and Divisors data structures	2200	x2226
297E	Mystic Carvings data structures	3000	x354
295E	Yaroslav and Points data structures	2500	x652
295A	Greg and Array data structures, implementation	1400	x16185
293E	Close Vertices data structures, divide and conquer, trees	2700	x1274
292E	Copying Data data structures	1900	x3965
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2336
286D	Tourists data structures, sortings	2600	x372
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x721
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6494
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3437
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x200
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1199
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4386
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1555
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24294
274E	Mirror Room data structures, implementation	3000	x303
272C	Dima and Staircase data structures, implementation	1500	x6693
271D	Good Substrings data structures, strings	1800	x10418
270B	Multithreading data structures, greedy, implementation	1400	x4087
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x429
266E	More Queries to Array... data structures, math	2500	x721
264E	Roadside Trees data structures, dp	3000	x397
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10627
263E	Rhombus brute force, data structures, dp	2500	x395
260E	Dividing Kingdom binary search, brute force, data structures	2500	x422
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1036
257E	Greedy Elevator data structures, implementation	2200	x276
256E	Lucky Arrays data structures	2400	x656
253E	Printer binary search, data structures, implementation, sortings	2200	x523
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2542
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x399
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2996
243E	Matrix data structures	3000	x172
243D	Cubes data structures, dp, geometry, two pointers	2700	x210
242E	XOR on Segment bitmasks, data structures	2000	x8523
241B	Friends binary search, bitmasks, data structures, math	2700	x756
240F	TorCoder data structures	2600	x1805
238D	Tape Programming data structures, implementation	2900	x245
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2026
232D	Fence binary search, data structures, string suffix structures	2900	x442
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1556
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4488
228D	Zigzag data structures	2100	x377
226E	Noble Knight's Path data structures, trees	2900	x445
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x847
223B	Two Strings data structures, dp, strings	1900	x1725
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2485
222B	Cosmic Tables data structures, implementation	1300	x5990
220E	Little Elephant and Inversions data structures, two pointers	2400	x1340
220C	Little Elephant and Shifts data structures	2100	x928
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9482
219E	Parking Lot data structures	2200	x604
217E	Alien DNA data structures, dsu, trees	2800	x293
213E	Two Permutations data structures, hashing, strings	2700	x773
212D	Cutting a Fence binary search, data structures, dsu	2500	x454
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6158
207C3	Game with Two Trees data structures	2700	x119
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1100
204B	Little Elephant and Cards binary search, data structures	1500	x5039
200A	Cinema brute force, data structures	2400	x661
198E	Gripping Story binary search, data structures, sortings	2400	x404
196D	The Next Good String data structures, greedy, hashing, strings	2800	x522
195E	Building Forest data structures, dsu, graphs	2000	x690
195B	After Training data structures, implementation, math	1300	x5130
193D	Two Segments data structures	2900	x389
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x817
191C	Fools and Roads data structures, dfs and similar, trees	1900	x6792
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1445
187E	Heaven Tour data structures, greedy	2900	x94
187D	BRT Contract data structures	2800	x503
185E	Soap Time! - 2 binary search, data structures	3000	x104
182C	Optimal Sum data structures, greedy	2000	x711
177D2	Encrypting Messages data structures	1500	x1793
176E	Archaeology data structures, dfs and similar, trees	3100	x1041
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x65
174C	Range Increments data structures, greedy	1800	x1070
173E	Camping Groups data structures, sortings	2600	x536
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x191
165D	Beard Graph data structures, dsu, trees	2100	x1594
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1537
160E	Buses and People binary search, data structures, sortings	2400	x577