Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
33:21:51
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Problems

#	Name
325B	Stadium and Games binary search, math	1800	x1469
321A	Ciel and Robot binary search, implementation, math	1700	x3549
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x514
314B	Sereja and Periods binary search, dfs and similar, strings	2000	x1453
309E	Sheep binary search, greedy	2900	x217
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1286
309A	Morning run binary search, math, two pointers	2000	x458
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7772
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2104
300E	Empire Strikes Back binary search, math, number theory	2300	x1024
287B	Pipeline binary search, math	1700	x8812
279B	Books binary search, brute force, implementation, two pointers	1400	x47538
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12339
260E	Dividing Kingdom binary search, brute force, data structures	2500	x408
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1754
255D	Mr. Bender and Square binary search, implementation, math	1800	x1929
253E	Printer binary search, data structures, implementation, sortings	2200	x520
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10299
251A	Points on Line binary search, combinatorics, two pointers	1300	x16550
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x474
248C	Robo-Footballer binary search, geometry	2000	x793
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2947
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x859
241B	Friends binary search, bitmasks, data structures, math	2700	x748
237C	Primes on Interval binary search, number theory, two pointers	1600	x5542
233B	Non-square Equation binary search, brute force, math	1400	x7296
232D	Fence binary search, data structures, string suffix structures	2900	x441
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2443
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8281
230B	T-primes binary search, implementation, math, number theory	1300	x69633
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4450
225B	Well-known Numbers binary search, greedy, number theory	1600	x3098
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2127
216D	Spider's Web binary search, sortings, two pointers	1700	x1319
212D	Cutting a Fence binary search, data structures, dsu	2500	x451
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6054
204B	Little Elephant and Cards binary search, data structures	1500	x5002
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5521
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x15836
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x391
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x871
198E	Gripping Story binary search, data structures, sortings	2400	x400
198C	Delivering Carcinogen binary search, geometry	2400	x368
195A	Let's Watch Football binary search, brute force, math	1000	x8470
192A	Funky Numbers binary search, brute force, implementation	1300	x10111
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x805
185E	Soap Time! - 2 binary search, data structures	3000	x103
181B	Number of Triplets binary search, brute force	1300	x2881
180E	Cubes binary search, dp, two pointers	1800	x1719
177E2	Space Voyage binary search	1900	x394
177E1	Space Voyage binary search	1700	x574
166A	Rank List binary search, implementation, sortings	1100	x16725
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11853
165B	Burning Midnight Oil binary search, implementation	1500	x16417
164D	Minimum Diameter binary search, brute force	3100	x229
163B	Lemmings binary search	2000	x1046
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4673
160E	Buses and People binary search, data structures, sortings	2400	x576
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2915
152B	Steps binary search, implementation	1300	x6317
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x787
147B	Smile House binary search, graphs, matrices	2500	x741
140C	New Year Snowmen binary search, data structures, greedy	1800	x4196
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x844
131F	Present to Mom binary search, two pointers	2000	x599
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x17686
126A	Hot Bath binary search, brute force, math	1900	x1402
125E	MST Company binary search, graphs	2400	x1005
121D	Lucky Segments binary search, implementation, two pointers	2500	x270
111B	Petya and Divisors binary search, data structures, number theory	1900	x3535
101B	Buses binary search, data structures, dp	1700	x2486
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x296
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14381
91B	Queue binary search, data structures	1500	x6502
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x904
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1905
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x521
84C	Biathlon binary search, implementation	1700	x1586
83B	Doctor binary search, math, sortings	1800	x1615
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x301
76F	Tourist binary search, data structures, dp	2300	x601
75C	Modified GCD binary search, number theory	1600	x11958
73B	Need For Brake binary search, greedy, sortings	2000	x488
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x561
68B	Energy exchange binary search	1600	x4116
67D	Optical Experiment binary search, data structures, dp	1900	x1330
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x772
62B	Tyndex.Brome binary search, implementation	1800	x1262
56E	Domino Principle binary search, data structures, sortings	2200	x2210
53B	Blog Photo binary search, implementation	1700	x1362
51C	Three Base Stations binary search, greedy	1800	x1799
50D	Bombing binary search, dp, probabilities	2100	x596
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x672
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x582
24E	Berland collider binary search	2300	x854
21C	Stripe 2 binary search, dp, sortings	2000	x2009
16C	Monitor binary search, number theory	1800	x4490
11E	Forward, march! binary search, dp, greedy	2800	x335
8D	Two Friends binary search, geometry	2600	x509