Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
19:36:37
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Problems

#	Name
268A	Games brute force	800	x87305
267A	Subtractions math, number theory	900	x7557
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x136621
266A	Stones on the Table implementation	800	x193520
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x17260
265A	Colorful Stones (Simplified Edition) implementation	800	x37033
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10814
263B	Squares greedy, implementation, sortings	900	x8935
263A	Beautiful Matrix implementation	800	x247989
262B	Roma and Changing Signs greedy	1200	x11423
262A	Roma and Lucky Numbers implementation	800	x20047
259B	Little Elephant and Magic Square brute force, implementation	1100	x13983
259A	Little Elephant and Chess brute force, strings	1000	x9185
258A	Little Elephant and Bits greedy, math	1100	x23082
257A	Sockets greedy, implementation, sortings	1100	x6493
255B	Code Parsing implementation	1200	x4986
255A	Greg's Workout implementation	800	x28800
254A	Cards with Numbers constructive algorithms, sortings	1200	x7096
253A	Boys and Girls greedy	1100	x11286
252A	Little Xor brute force, implementation	1100	x5321
250A	Paper Work greedy	1000	x4138
248A	Cupboards implementation	800	x22523
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9289
245B	Internet Address implementation, strings	1100	x5232
245A	System Administrator implementation	800	x8480
244A	Dividing Orange implementation	900	x7962
242B	Big Segment implementation, sortings	1100	x15831
242A	Heads or Tails brute force, implementation	1100	x6390
239A	Two Bags of Potatoes greedy, implementation, math	1200	x19006
237A	Free Cash implementation	1000	x26931
236A	Boy or Girl brute force, implementation, strings	800	x213931
234B	Reading sortings	1000	x7129
234A	Lefthanders and Righthanders implementation	1200	x4476
233A	Perfect Permutation implementation, math	800	x42862
231A	Team brute force, greedy	800	x331225
230A	Dragons greedy, sortings	1000	x80061
228A	Is your horseshoe on the other hoof? implementation	800	x111579
227B	Effective Approach implementation	1100	x28249
225A	Dice Tower constructive algorithms, greedy	1100	x11773
224A	Parallelepiped brute force, geometry, math	1100	x26927
222A	Shooshuns and Sequence brute force, implementation	1200	x10826
221A	Little Elephant and Function implementation, math	1000	x15297
219A	k-String implementation, strings	1000	x28038
218B	Airport implementation	1100	x16555
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9504
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x21253
216A	Tiling with Hexagons implementation, math	1200	x5020
215A	Bicycle Chain brute force, implementation	900	x14586
214A	System of Equations brute force	800	x35731
208D	Prizes, Prizes, more Prizes implementation	1200	x7599
208A	Dubstep strings	900	x89165
205A	Little Elephant and Rozdil brute force, implementation	900	x22523
203A	Two Problems brute force, implementation	1200	x4184
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x16998
200B	Drinks implementation, math	800	x117789
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x26715
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5408
195A	Let's Watch Football binary search, brute force, math	1000	x9072
194B	Square math	1200	x3540
194A	Exams implementation, math	900	x9902
192B	Walking in the Rain brute force, implementation	1100	x6274
190A	Vasya and the Bus greedy, math	1100	x5889
188D	Asterisks *special problem, implementation	1100	x682
188A	Hexagonal Numbers *special problem	1100	x778
186B	Growing Mushrooms greedy, sortings	1200	x5609
186A	Comparing Strings implementation, strings	1100	x17121
182B	Vasya's Calendar implementation	1000	x6945
181A	Series of Crimes brute force, geometry, implementation	800	x7148
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2529
178A3	Educational Game greedy	1100	x1454
178A2	Educational Game greedy	1000	x1636
178A1	Educational Game	1000	x1617
177D1	Encrypting Messages brute force	1200	x2180
177B2	Rectangular Game number theory	1200	x3026
177B1	Rectangular Game number theory	1000	x4186
177A2	Good Matrix Elements implementation	800	x7368
177A1	Good Matrix Elements implementation	800	x8728
176A	Trading Business greedy, sortings	1200	x1514
174A	Problem About Equation math	1100	x2898
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2784
172A	Phone Code *special problem, brute force, implementation	800	x6156
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4483
169B	Replacing Digits greedy	1100	x3304
169A	Chores sortings	800	x6973
168A	Wizards and Demonstration implementation, math	900	x10611
166A	Rank List binary search, implementation, sortings	1100	x17840
165A	Supercentral Point implementation	1000	x23669
162A	Pentagonal numbers *special problem, implementation	1100	x805
160B	Unlucky Ticket greedy, sortings	1100	x14107
160A	Twins greedy, sortings	900	x119085
159B	Matchmaker *special problem, greedy, sortings	1100	x3806
158B	Taxi *special problem, greedy, implementation	1100	x87690
158A	Next Round *special problem, implementation	800	x252802
157B	Trace geometry, sortings	1000	x13243
157A	Game Outcome brute force	800	x7618
155B	Combination greedy, sortings	1100	x10330
155A	I_love_\%username\% brute force	800	x76421
152A	Marks implementation	900	x16863
151B	Phone Numbers implementation, strings	1200	x6389
151A	Soft Drinking implementation, math	800	x74453