Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
34:21:29
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Problems

#	Name
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12430
165B	Burning Midnight Oil binary search, implementation	1500	x18496
165A	Supercentral Point implementation	1000	x23843
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x245
164C	Machine Programming flows, graphs	2400	x906
164B	Ancient Berland Hieroglyphs two pointers	2000	x476
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1020
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1747
163D	Large Refrigerator brute force	2900	x510
163C	Conveyor sortings, two pointers	2100	x558
163B	Lemmings binary search	2000	x1068
163A	Substring and Subsequence dp	1700	x2737
162J	Brackets *special problem	1800	x97
162I	Truncatable primes *special problem	2000	x77
162H	Alternating case *special problem	1800	x220
162G	Non-decimal sum *special problem	2000	x65
162F	Factorial zeros *special problem	1800	x202
162E	HQ9+ *special problem	1800	x178
162D	Remove digits *special problem	1900	x228
162C	Prime factorization *special problem	1800	x849
162B	Binary notation *special problem	1800	x314
162A	Pentagonal numbers *special problem, implementation	1100	x816
161E	Polycarpus the Safecracker brute force, dp	2500	x469
161D	Distance in Tree dfs and similar, dp, trees	1800	x15328
161C	Abracadabra divide and conquer	2400	x654
161B	Discounts constructive algorithms, greedy, sortings	1700	x1965
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4940
160E	Buses and People binary search, data structures, sortings	2400	x597
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2829
160C	Find Pair implementation, math, sortings	1700	x3464
160B	Unlucky Ticket greedy, sortings	1100	x14179
160A	Twins greedy, sortings	900	x120659
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1004
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4338
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x3008
159B	Matchmaker *special problem, greedy, sortings	1100	x3822
159A	Friends or Not *special problem, greedy, implementation	1400	x2498
158E	Phone Talks *special problem, dp, sortings	1900	x1464
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6261
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9334
158B	Taxi *special problem, greedy, implementation	1100	x88645
158A	Next Round *special problem, implementation	800	x257699
157B	Trace geometry, sortings	1000	x13317
157A	Game Outcome brute force	800	x7721
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x163
156D	Clues combinatorics, graphs	2500	x1611
156C	Cipher combinatorics, dp	2000	x2435
156B	Suspects constructive algorithms, data structures, implementation	1600	x2241
156A	Message brute force	1700	x3052
155B	Combination greedy, sortings	1100	x10353
155A	I_love_\%username\% brute force	800	x77467
154E	Martian Colony geometry	3000	x98
154D	Flatland Fencing games, math	2400	x434
154C	Double Profiles graphs, hashing, sortings	2300	x2897
154B	Colliders math, number theory	1600	x4838
154A	Hometask greedy	1600	x4078
153E	Euclidean Distance *special problem	2100	x80
153D	Date Change *special problem	2000	x83
153C	Caesar Cipher *special problem	2200	x391
153B	Binary notation *special problem	1800	x157
153A	A + B *special problem	1600	x825
152E	Garden bitmasks, dp, graphs, trees	2500	x488
152D	Frames brute force	2600	x245
152C	Pocket Book combinatorics	1400	x10717
152B	Steps binary search, implementation	1300	x6797
152A	Marks implementation	900	x16963
151B	Phone Numbers implementation, strings	1200	x6412
151A	Soft Drinking implementation, math	800	x75911
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x875
150D	Mission Impassable dp, strings	2600	x627
150C	Smart Cheater data structures, math, probabilities	2200	x644
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4257
150A	Win or Freeze games, math, number theory	1400	x7904
149E	Martian Strings string suffix structures, strings	2300	x2302
149D	Coloring Brackets dp	1900	x3936
149C	Division into Teams greedy, math, sortings	1500	x5416
149B	Martian Clock implementation	1600	x2266
149A	Business trip greedy, implementation, sortings	900	x40430
148E	Porcelain dp	1900	x4119
148D	Bag of mice dp, games, math, probabilities	1800	x7398
148C	Terse princess constructive algorithms, greedy	1700	x3159
148B	Escape implementation, math	1500	x5537
148A	Insomnia cure constructive algorithms, implementation, math	800	x95040
147B	Smile House binary search, graphs, matrices	2500	x799
147A	Punctuation implementation, strings	1300	x3693
146B	Lucky Mask brute force, implementation	1300	x4430
146A	Lucky Ticket implementation	800	x15256
145E	Lucky Queries data structures	2400	x3268
145D	Lucky Pair combinatorics, data structures, implementation	2900	x246
145C	Lucky Subsequence combinatorics, dp, math	2100	x1919
145B	Lucky Number 2 constructive algorithms	1800	x2227
145A	Lucky Conversion greedy, implementation	1200	x7193
144E	Competition data structures, greedy	2200	x592
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x4062
144C	Anagram Search implementation, strings	1500	x4035
144B	Meeting implementation	1300	x5308
144A	Arrival of the General implementation	800	x98738
143B	Help Kingdom of Far Far Away 2 implementation, strings	1200	x5005
143A	Help Vasilisa the Wise 2 brute force, math	1000	x14023