Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
18:06:08
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Problems

#	Name
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2119
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x349
166B	Polygons geometry, sortings	2100	x2373
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6447
165D	Beard Graph data structures, dsu, trees	2100	x1608
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x230
164C	Machine Programming flows, graphs	2400	x887
164B	Ancient Berland Hieroglyphs two pointers	2000	x451
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x989
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1552
163D	Large Refrigerator brute force	2900	x487
163C	Conveyor sortings, two pointers	2100	x538
163B	Lemmings binary search	2000	x1048
163A	Substring and Subsequence dp	1700	x2640
162J	Brackets *special problem	1800	x92
162I	Truncatable primes *special problem	2000	x75
162H	Alternating case *special problem	1800	x216
162G	Non-decimal sum *special problem	2000	x60
162F	Factorial zeros *special problem	1800	x198
162E	HQ9+ *special problem	1800	x177
162D	Remove digits *special problem	1900	x228
162C	Prime factorization *special problem	1800	x781
162B	Binary notation *special problem	1800	x311
161E	Polycarpus the Safecracker brute force, dp	2500	x464
161D	Distance in Tree dfs and similar, dp, trees	1800	x14085
161C	Abracadabra divide and conquer	2400	x643
161B	Discounts constructive algorithms, greedy, sortings	1700	x1943
160E	Buses and People binary search, data structures, sortings	2400	x580
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2419
160C	Find Pair implementation, math, sortings	1700	x3416
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x996
158E	Phone Talks *special problem, dp, sortings	1900	x1453
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x162
156D	Clues combinatorics, graphs	2500	x1506
156C	Cipher combinatorics, dp	2000	x2319
156A	Message brute force	1700	x3021
154E	Martian Colony geometry	3000	x92
154D	Flatland Fencing games, math	2400	x423
154C	Double Profiles graphs, hashing, sortings	2300	x2728
153E	Euclidean Distance *special problem	2100	x78
153D	Date Change *special problem	2000	x82
153C	Caesar Cipher *special problem	2200	x372
153B	Binary notation *special problem	1800	x154
152E	Garden bitmasks, dp, graphs, trees	2500	x466
152D	Frames brute force	2600	x240
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x821
150D	Mission Impassable dp, strings	2600	x593
150C	Smart Cheater data structures, math, probabilities	2200	x638
149E	Martian Strings string suffix structures, strings	2300	x2059
149D	Coloring Brackets dp	1900	x3657
148E	Porcelain dp	1900	x3857
148D	Bag of mice dp, games, math, probabilities	1800	x6948
148C	Terse princess constructive algorithms, greedy	1700	x3081
147B	Smile House binary search, graphs, matrices	2500	x764
145E	Lucky Queries data structures	2400	x2998
145D	Lucky Pair combinatorics, data structures, implementation	2900	x242
145C	Lucky Subsequence combinatorics, dp, math	2100	x1897
145B	Lucky Number 2 constructive algorithms	1800	x2169
144E	Competition data structures, greedy	2200	x573
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x3859
142E	Help Greg the Dwarf 2 geometry	3000	x80
142D	Help Shrek and Donkey 2 games	2600	x340
142C	Help Caretaker brute force, dp	2300	x907
142B	Help General constructive algorithms, greedy, implementation	1800	x2153
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x917
141D	Take-off Ramps graphs, shortest paths	2300	x888
141C	Queue constructive algorithms, greedy, sortings	1800	x2409
140F	New Year Snowflake geometry, sortings	2600	x365
140E	New Year Garland combinatorics, dp	2600	x881
140D	New Year Contest greedy, sortings	1800	x2198
140C	New Year Snowmen binary search, data structures, greedy	1800	x4294
140B	New Year Cards brute force, greedy, implementation	1800	x1667
140A	New Year Table geometry, math	1700	x4110
138E	Hellish Constraints brute force, dp, two pointers	2900	x171
138D	World of Darkraft dp, games	2500	x478
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x847
138B	Digits Permutations greedy	1900	x1015
137E	Last Chance data structures, implementation, strings	2000	x1200
137D	Palindromes dp, strings	1900	x1486
135E	Weak Subsequence combinatorics	3000	x269
135D	Cycle brute force, dfs and similar, implementation	2500	x295
135C	Zero-One constructive algorithms, games, greedy	1900	x1325
134C	Swaps constructive algorithms, graphs, greedy	2200	x465
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x1954
132E	Bits of merry old England flows, graphs	2700	x528
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x608
132C	Logo Turtle dp	1800	x2289
132B	Piet implementation	2100	x659
131F	Present to Mom binary search, two pointers	2000	x636
131E	Yet Another Task with Queens sortings	1700	x1828
130J	Date calculation *special problem	1800	x327
130I	Array sorting *special problem, sortings	2300	x166
130G	CAPS LOCK ON *special problem	1700	x275
128E	Birthday geometry, math	2900	x97
128D	Numbers constructive algorithms, implementation	2000	x1097
128C	Games with Rectangle combinatorics, dp	2000	x2748
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2484
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x813