Problemset - Codeforces

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Problems

#	Name
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5522
306B	Optimizer data structures, greedy, sortings	2100	x437
299A	Ksusha and Array brute force, number theory, sortings	1000	x7750
291A	Spyke Talks *special problem, implementation, sortings	800	x5985
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16754
286D	Tourists data structures, sortings	2600	x371
285C	Building Permutation greedy, implementation, sortings	1200	x22493
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24047
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1005
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9860
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	x8718
261A	Maxim and Discounts greedy, sortings	1400	x5093
257A	Sockets greedy, implementation, sortings	1100	x6382
254A	Cards with Numbers constructive algorithms, sortings	1200	x6845
253E	Printer binary search, data structures, implementation, sortings	2200	x522
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10324
252B	Unsorting Array brute force, sortings	1800	x1681
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	x2969
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9052
243B	Hydra graphs, sortings	2000	x1178
242B	Big Segment implementation, sortings	1100	x15208
237B	Young Table implementation, sortings	1500	x2220
234B	Reading sortings	1000	x6980
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8300
230A	Dragons greedy, sortings	1000	x74421
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	x11804
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	x999
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1436
186B	Growing Mushrooms greedy, sortings	1200	x5319
178F2	Representative Sampling dp, sortings, strings	2200	x314
176A	Trading Business greedy, sortings	1200	x1405
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	x6564
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x346
166C	Median greedy, math, sortings	1500	x6351
166B	Polygons geometry, sortings	2100	x2158
166A	Rank List binary search, implementation, sortings	1100	x16778
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	x2365
160C	Find Pair implementation, math, sortings	1700	x3380
160B	Unlucky Ticket greedy, sortings	1100	x13577
160A	Twins greedy, sortings	900	x111002
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x988
159B	Matchmaker *special problem, greedy, sortings	1100	x3676
158E	Phone Talks *special problem, dp, sortings	1900	x1449
157B	Trace geometry, sortings	1000	x12858
155B	Combination greedy, sortings	1100	x10013
154C	Double Profiles graphs, hashing, sortings	2300	x2679
149C	Division into Teams greedy, math, sortings	1500	x5255
149A	Business trip greedy, implementation, sortings	900	x37761
141C	Queue constructive algorithms, greedy, sortings	1800	x2368
141A	Amusing Joke implementation, sortings, strings	800	x77978
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	x7436
131E	Yet Another Task with Queens sortings	1700	x1812
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	x2520
115B	Lawnmower greedy, sortings	1500	x2426
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	x1985
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	x846
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x918
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x522
83B	Doctor binary search, math, sortings	1800	x1616
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	x6810
76A	Gift dsu, graphs, sortings, trees	2200	x1449
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	x10878
62C	Inquisition geometry, implementation, sortings	2300	x247
56E	Domino Principle binary search, data structures, sortings	2200	x2211
53D	Physical Education sortings	1500	x1920