Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
06:38:33
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Before contest
Codeforces Round 941 (Div. 2)
06:38:33
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sortings

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Problems

#	Name
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1005
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2582
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x413
268E	Playlist math, probabilities, sortings	2100	x972
263B	Squares greedy, implementation, sortings	900	x8699
261A	Maxim and Discounts greedy, sortings	1400	x5086
257A	Sockets greedy, implementation, sortings	1100	x6374
254A	Cards with Numbers constructive algorithms, sortings	1200	x6829
253E	Printer binary search, data structures, implementation, sortings	2200	x520
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10297
252B	Unsorting Array brute force, sortings	1800	x1678
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x374
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2947
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9033
243B	Hydra graphs, sortings	2000	x1175
242B	Big Segment implementation, sortings	1100	x15178
237B	Young Table implementation, sortings	1500	x2218
234B	Reading sortings	1000	x6968
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8281
230A	Dragons greedy, sortings	1000	x74058
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2127
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2078
220A	Little Elephant and Problem implementation, sortings	1300	x11789
216D	Spider's Web binary search, sortings, two pointers	1700	x1319
203E	Transportation greedy, sortings, two pointers	2300	x276
203C	Photographer greedy, sortings	1400	x5567
198E	Gripping Story binary search, data structures, sortings	2400	x400
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x738
195D	Analyzing Polyline geometry, math, sortings	1900	x998
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1429
186B	Growing Mushrooms greedy, sortings	1200	x5284
178F2	Representative Sampling dp, sortings, strings	2200	x314
176A	Trading Business greedy, sortings	1200	x1402
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1288
173E	Camping Groups data structures, sortings	2600	x534
172C	Bus *special problem, implementation, sortings	1500	x1129
169A	Chores sortings	800	x6545
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x344
166C	Median greedy, math, sortings	1500	x6335
166B	Polygons geometry, sortings	2100	x2120
166A	Rank List binary search, implementation, sortings	1100	x16720
163C	Conveyor sortings, two pointers	2100	x536
161B	Discounts constructive algorithms, greedy, sortings	1700	x1922
160E	Buses and People binary search, data structures, sortings	2400	x576
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2349
160C	Find Pair implementation, math, sortings	1700	x3380
160B	Unlucky Ticket greedy, sortings	1100	x13550
160A	Twins greedy, sortings	900	x110479
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x987
159B	Matchmaker *special problem, greedy, sortings	1100	x3667
158E	Phone Talks *special problem, dp, sortings	1900	x1449
157B	Trace geometry, sortings	1000	x12829
155B	Combination greedy, sortings	1100	x10001
154C	Double Profiles graphs, hashing, sortings	2300	x2666
149C	Division into Teams greedy, math, sortings	1500	x5251
149A	Business trip greedy, implementation, sortings	900	x37600
141C	Queue constructive algorithms, greedy, sortings	1800	x2365
141A	Amusing Joke implementation, sortings, strings	800	x77627
140F	New Year Snowflake geometry, sortings	2600	x359
140D	New Year Contest greedy, sortings	1800	x2193
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x844
137C	History sortings	1500	x7051
135A	Replacement greedy, implementation, sortings	1300	x7424
131E	Yet Another Task with Queens sortings	1700	x1807
130I	Array sorting *special problem, sortings	2300	x164
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x907
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1061
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2516
115B	Lawnmower greedy, sortings	1500	x2421
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
108B	Datatypes math, sortings	1400	x2407
105C	Item World brute force, implementation, sortings	2200	x269
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x1980
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x671
99B	Help Chef Gerasim implementation, sortings	1300	x2894
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x845
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x904
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x521
83B	Doctor binary search, math, sortings	1800	x1615
82C	General Mobilization data structures, dfs and similar, sortings	2000	x798
81C	Average Score greedy, math, sortings	1700	x1624
79B	Colorful Field implementation, sortings	1400	x6776
76A	Gift dsu, graphs, sortings, trees	2200	x1438
73B	Need For Brake binary search, greedy, sortings	2000	x488
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x561
64I	Sort the Table *special problem, sortings	2400	x84
64H	Table Bowling *special problem, sortings	2300	x109
63A	Sinking Ship implementation, sortings, strings	900	x10837
62C	Inquisition geometry, implementation, sortings	2300	x247
56E	Domino Principle binary search, data structures, sortings	2200	x2210
53D	Physical Education sortings	1500	x1904
48F	Snow sellers greedy, sortings	2800	x133
47E	Cannon data structures, geometry, sortings	2200	x352
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1587
39C	Moon Craters dp, sortings	2100	x568
38E	Let's Go Rolling! dp, sortings	1800	x2480
37A	Towers sortings	1000	x23521
35E	Parade data structures, sortings	2100	x700
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4062