Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
4 days
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Problems

#	Name
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x319
172D	Calendar Reform *special problem, number theory	1500	x1549
172C	Bus *special problem, implementation, sortings	1500	x1270
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x3209
172A	Phone Code *special problem, brute force, implementation	800	x8392
171H	A polyline *special problem, implementation	1700	x346
171G	Mysterious numbers - 2 *special problem	1600	x1078
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1503
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1638
171D	Broken checker *special problem, brute force	1300	x2856
171C	A Piece of Cake *special problem, implementation	2000	x1257
171B	Star *special problem, combinatorics	1300	x4972
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x5179
169B	Replacing Digits greedy	1100	x3801
169A	Chores sortings	800	x8495
168B	Wizards and Minimal Spell implementation, strings	1700	x1325
168A	Wizards and Demonstration implementation, math	900	x11750
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x743
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x325
167C	Wizards and Numbers games, math	2300	x784
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2614
167A	Wizards and Trolleybuses implementation, math	1600	x2219
166E	Tetrahedron dp, math, matrices	1500	x27208
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x423
166C	Median greedy, math, sortings	1500	x7709
166B	Polygons geometry, sortings	2100	x3440
166A	Rank List binary search, implementation, sortings	1100	x21819
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x10561
165D	Beard Graph data structures, dsu, trees	2100	x2017
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x14279
165B	Burning Midnight Oil binary search, implementation	1500	x25352
165A	Supercentral Point implementation	1000	x26866
164E	Polycarpus and Tasks	3100	x138
164D	Minimum Diameter binary search, brute force	3100	x400
164C	Machine Programming flows, graphs	2400	x1067
164B	Ancient Berland Hieroglyphs two pointers	2000	x560
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1277
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x2429
163D	Large Refrigerator brute force	2900	x595
163C	Conveyor sortings, two pointers	2100	x647
163B	Lemmings binary search	2000	x1218
163A	Substring and Subsequence dp	1700	x3073
162J	Brackets *special problem	1800	x140
162I	Truncatable primes *special problem	2000	x97
162H	Alternating case *special problem	1800	x227
162G	Non-decimal sum *special problem	2000	x90
162F	Factorial zeros *special problem	1800	x235
162E	HQ9+ *special problem	1800	x187
162D	Remove digits *special problem	1900	x234
162C	Prime factorization *special problem	1800	x1446
162B	Binary notation *special problem	1800	x328
162A	Pentagonal numbers *special problem, implementation	1100	x851
161E	Polycarpus the Safecracker brute force, dp	2500	x545
161D	Distance in Tree dfs and similar, dp, trees	1800	x21143
161C	Abracadabra divide and conquer	2400	x722
161B	Discounts constructive algorithms, greedy, sortings	1700	x2109
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x5660
160E	Buses and People binary search, data structures, sortings	2400	x793
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x3739
160C	Find Pair implementation, math, sortings	1700	x3803
160B	Unlucky Ticket greedy, sortings	1100	x15960
160A	Twins greedy, sortings	900	x154772
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1108
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4783
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x3262
159B	Matchmaker *special problem, greedy, sortings	1100	x4254
159A	Friends or Not *special problem, greedy, implementation	1400	x2685
158E	Phone Talks *special problem, dp, sortings	1900	x1554
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6564
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x10760
158B	Taxi *special problem, greedy, implementation	1100	x110330
158A	Next Round *special problem, implementation	800	x347894
157B	Trace geometry, sortings	1000	x14361
157A	Game Outcome brute force	800	x8875
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x248
156D	Clues combinatorics, graphs	2500	x2190
156C	Cipher combinatorics, dp	2000	x2734
156B	Suspects constructive algorithms, data structures, implementation	1600	x2517
156A	Message brute force	1700	x3292
155B	Combination greedy, sortings	1100	x11068
155A	I_love_\%username\% brute force	800	x98769
154E	Martian Colony geometry	3000	x125
154D	Flatland Fencing games, math	2400	x533
154C	Double Profiles graphs, hashing, sortings	2300	x3519
154B	Colliders math, number theory	1600	x6411
154A	Hometask greedy	1600	x4370
153E	Euclidean Distance *special problem	2100	x87
153D	Date Change *special problem	2000	x91
153C	Caesar Cipher *special problem	2200	x418
153B	Binary notation *special problem	1800	x171
153A	A + B *special problem	1600	x962
152E	Garden bitmasks, dp, graphs, trees	2500	x636
152D	Frames brute force	2600	x272
152C	Pocket Book combinatorics	1400	x11849
152B	Steps binary search, implementation	1300	x7554
152A	Marks implementation	900	x19064
151B	Phone Numbers implementation, strings	1200	x7017
151A	Soft Drinking implementation, math	800	x100690
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x1175
150D	Mission Impassable dp, strings	2600	x799

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