Problemset - Codeforces

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Codeforces Round 998 (Div. 3)
00:04:47
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Problems

#	Name
175B	Plane of Tanks: Pro implementation	1400	x1436
175A	Robot Bicorn Attack brute force, implementation	1400	x2425
174C	Range Increments data structures, greedy	1800	x1164
174B	File List dp, greedy, implementation	1400	x2304
174A	Problem About Equation math	1100	x2995
173E	Camping Groups data structures, sortings	2600	x575
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x254
173C	Spiral Maximum brute force, dp	1900	x1003
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3279
173A	Rock-Paper-Scissors implementation, math	1300	x2334
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x272
172D	Calendar Reform *special problem, number theory	1500	x1407
172C	Bus *special problem, implementation, sortings	1500	x1151
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2799
172A	Phone Code *special problem, brute force, implementation	800	x6377
171H	A polyline *special problem, implementation	1700	x286
171G	Mysterious numbers - 2 *special problem	1600	x944
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1301
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1481
171D	Broken checker *special problem, brute force	1300	x2597
171C	A Piece of Cake *special problem, implementation	2000	x1103
171B	Star *special problem, combinatorics	1300	x4106
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4538
169B	Replacing Digits greedy	1100	x3344
169A	Chores sortings	800	x7081
168B	Wizards and Minimal Spell implementation, strings	1700	x1225
168A	Wizards and Demonstration implementation, math	900	x10717
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x582
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x199
167C	Wizards and Numbers games, math	2300	x682
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2185
167A	Wizards and Trolleybuses implementation, math	1600	x2050
166E	Tetrahedron dp, math, matrices	1500	x21804
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x367
166C	Median greedy, math, sortings	1500	x6587
166B	Polygons geometry, sortings	2100	x2549
166A	Rank List binary search, implementation, sortings	1100	x18135
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x7184
165D	Beard Graph data structures, dsu, trees	2100	x1704
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12490
165B	Burning Midnight Oil binary search, implementation	1500	x18839
165A	Supercentral Point implementation	1000	x24016
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x248
164C	Machine Programming flows, graphs	2400	x906
164B	Ancient Berland Hieroglyphs two pointers	2000	x479
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1021
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1757
163D	Large Refrigerator brute force	2900	x516
163C	Conveyor sortings, two pointers	2100	x559
163B	Lemmings binary search	2000	x1071
163A	Substring and Subsequence dp	1700	x2745
162J	Brackets *special problem	1800	x99
162I	Truncatable primes *special problem	2000	x78
162H	Alternating case *special problem	1800	x222
162G	Non-decimal sum *special problem	2000	x67
162F	Factorial zeros *special problem	1800	x205
162E	HQ9+ *special problem	1800	x179
162D	Remove digits *special problem	1900	x229
162C	Prime factorization *special problem	1800	x853
162B	Binary notation *special problem	1800	x315
162A	Pentagonal numbers *special problem, implementation	1100	x817
161E	Polycarpus the Safecracker brute force, dp	2500	x473
161D	Distance in Tree dfs and similar, dp, trees	1800	x15477
161C	Abracadabra divide and conquer	2400	x655
161B	Discounts constructive algorithms, greedy, sortings	1700	x1968
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4958
160E	Buses and People binary search, data structures, sortings	2400	x598
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2848
160C	Find Pair implementation, math, sortings	1700	x3477
160B	Unlucky Ticket greedy, sortings	1100	x14246
160A	Twins greedy, sortings	900	x121739
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1008
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4342
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x3015
159B	Matchmaker *special problem, greedy, sortings	1100	x3829
159A	Friends or Not *special problem, greedy, implementation	1400	x2501
158E	Phone Talks *special problem, dp, sortings	1900	x1466
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6269
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9398
158B	Taxi *special problem, greedy, implementation	1100	x89297
158A	Next Round *special problem, implementation	800	x260956
157B	Trace geometry, sortings	1000	x13372
157A	Game Outcome brute force	800	x7755
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x163
156D	Clues combinatorics, graphs	2500	x1640
156C	Cipher combinatorics, dp	2000	x2439
156B	Suspects constructive algorithms, data structures, implementation	1600	x2257
156A	Message brute force	1700	x3057
155B	Combination greedy, sortings	1100	x10367
155A	I_love_\%username\% brute force	800	x78252
154E	Martian Colony geometry	3000	x98
154D	Flatland Fencing games, math	2400	x437
154C	Double Profiles graphs, hashing, sortings	2300	x2923
154B	Colliders math, number theory	1600	x4943
154A	Hometask greedy	1600	x4107
153E	Euclidean Distance *special problem	2100	x81
153D	Date Change *special problem	2000	x85
153C	Caesar Cipher *special problem	2200	x393
153B	Binary notation *special problem	1800	x159