Problemset - Codeforces

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Problems

#	Name
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16753
286D	Tourists data structures, sortings	2600	x371
285C	Building Permutation greedy, implementation, sortings	1200	x22477
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24031
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1005
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9849
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2584
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x413
268E	Playlist math, probabilities, sortings	2100	x976
263B	Squares greedy, implementation, sortings	900	x8717
261A	Maxim and Discounts greedy, sortings	1400	x5092
257A	Sockets greedy, implementation, sortings	1100	x6382
254A	Cards with Numbers constructive algorithms, sortings	1200	x6842
253E	Printer binary search, data structures, implementation, sortings	2200	x521
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10324
252B	Unsorting Array brute force, sortings	1800	x1680
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x375
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2967
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9048
243B	Hydra graphs, sortings	2000	x1177
242B	Big Segment implementation, sortings	1100	x15202
237B	Young Table implementation, sortings	1500	x2220
234B	Reading sortings	1000	x6975
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8296
230A	Dragons greedy, sortings	1000	x74375
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2127
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2084
220A	Little Elephant and Problem implementation, sortings	1300	x11803
216D	Spider's Web binary search, sortings, two pointers	1700	x1328
203E	Transportation greedy, sortings, two pointers	2300	x276
203C	Photographer greedy, sortings	1400	x5580
198E	Gripping Story binary search, data structures, sortings	2400	x401
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x740
195D	Analyzing Polyline geometry, math, sortings	1900	x998
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1433
186B	Growing Mushrooms greedy, sortings	1200	x5318
178F2	Representative Sampling dp, sortings, strings	2200	x314
176A	Trading Business greedy, sortings	1200	x1404
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1288
173E	Camping Groups data structures, sortings	2600	x535
172C	Bus *special problem, implementation, sortings	1500	x1129
169A	Chores sortings	800	x6563
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x346
166C	Median greedy, math, sortings	1500	x6345
166B	Polygons geometry, sortings	2100	x2157
166A	Rank List binary search, implementation, sortings	1100	x16768
163C	Conveyor sortings, two pointers	2100	x537
161B	Discounts constructive algorithms, greedy, sortings	1700	x1923
160E	Buses and People binary search, data structures, sortings	2400	x576
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2359
160C	Find Pair implementation, math, sortings	1700	x3380
160B	Unlucky Ticket greedy, sortings	1100	x13576
160A	Twins greedy, sortings	900	x110910
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x988
159B	Matchmaker *special problem, greedy, sortings	1100	x3675
158E	Phone Talks *special problem, dp, sortings	1900	x1449
157B	Trace geometry, sortings	1000	x12855
155B	Combination greedy, sortings	1100	x10011
154C	Double Profiles graphs, hashing, sortings	2300	x2677
149C	Division into Teams greedy, math, sortings	1500	x5254
149A	Business trip greedy, implementation, sortings	900	x37738
141C	Queue constructive algorithms, greedy, sortings	1800	x2368
141A	Amusing Joke implementation, sortings, strings	800	x77927
140F	New Year Snowflake geometry, sortings	2600	x360
140D	New Year Contest greedy, sortings	1800	x2194
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x844
137C	History sortings	1500	x7061
135A	Replacement greedy, implementation, sortings	1300	x7435
131E	Yet Another Task with Queens sortings	1700	x1811
130I	Array sorting *special problem, sortings	2300	x164
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x908
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1061
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2519
115B	Lawnmower greedy, sortings	1500	x2422
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
108B	Datatypes math, sortings	1400	x2415
105C	Item World brute force, implementation, sortings	2200	x270
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x1984
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x671
99B	Help Chef Gerasim implementation, sortings	1300	x2895
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x845
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x916
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x522
83B	Doctor binary search, math, sortings	1800	x1615
82C	General Mobilization data structures, dfs and similar, sortings	2000	x799
81C	Average Score greedy, math, sortings	1700	x1624
79B	Colorful Field implementation, sortings	1400	x6806
76A	Gift dsu, graphs, sortings, trees	2200	x1448
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	x10873
62C	Inquisition geometry, implementation, sortings	2300	x247
56E	Domino Principle binary search, data structures, sortings	2200	x2211
53D	Physical Education sortings	1500	x1920
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	x1594
39C	Moon Craters dp, sortings	2100	x569