Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
29:29:20
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Problems

#	Name
207D8	The Beaver's Problem - 3	2300	x95
207D7	The Beaver's Problem - 3	1600	x101
207D6	The Beaver's Problem - 3	2100	x84
207D5	The Beaver's Problem - 3	1600	x147
207D4	The Beaver's Problem - 3	2100	x154
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x110
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x134
207C2	Game with Two Trees	2200	x90
207C1	Game with Two Trees	2100	x107
207B3	Military Trainings	1700	x181
207B2	Military Trainings	1900	x197
207B1	Military Trainings	1600	x282
207A3	Beaver's Calculator 1.0 greedy	2000	x221
207A2	Beaver's Calculator 1.0 greedy	1800	x244
207A1	Beaver's Calculator 1.0 greedy	1600	x301
205B	Little Elephant and Sorting brute force, greedy	1400	x6054
205A	Little Elephant and Rozdil brute force, implementation	900	x22699
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1177
204D	Little Elephant and Retro Strings dp	2400	x588
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1128
204B	Little Elephant and Cards binary search, data structures	1500	x5309
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5882
203E	Transportation greedy, sortings, two pointers	2300	x284
203D	Hit Ball geometry, implementation, math	1700	x1418
203C	Photographer greedy, sortings	1400	x5720
203B	Game on Paper brute force, implementation	1300	x2618
203A	Two Problems brute force, implementation	1200	x4194
202B	Brand New Easy Problem brute force	1700	x820
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x17184
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x427
201D	Brand New Problem bitmasks, brute force, dp	2600	x419
201C	Fragile Bridges dp	2000	x1375
201B	Guess That Car! math, ternary search	1800	x1300
201A	Clear Symmetry constructive algorithms, dp, math	1700	x3022
200E	Tractor College implementation, math, number theory, ternary search	2400	x344
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x917
200C	Football Championship brute force, implementation	1800	x1063
200B	Drinks implementation, math	800	x120293
200A	Cinema brute force, data structures	2400	x689
199B	Special Olympics geometry	1900	x806
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x26975
198E	Gripping Story binary search, data structures, sortings	2400	x438
198D	Cube Snake constructive algorithms	2700	x107
198C	Delivering Carcinogen binary search, geometry	2400	x377
198B	Jumping on Walls shortest paths	1400	x4388
198A	About Bacteria implementation, math	1700	x3165
197B	Limit math	1400	x4655
197A	Plate Game constructive algorithms, games, math	1600	x6416
196E	Opening Portals dsu, graphs, shortest paths	2600	x1039
196D	The Next Good String data structures, greedy, hashing, strings	2800	x542
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x969
196B	Infinite Maze dfs and similar, graphs	2000	x2230
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5425
195E	Building Forest data structures, dsu, graphs	2000	x731
195D	Analyzing Polyline geometry, math, sortings	1900	x1046
195C	Try and Catch expression parsing, implementation	1800	x1149
195B	After Training data structures, implementation, math	1300	x5219
195A	Let's Watch Football binary search, brute force, math	1000	x9137
194B	Square math	1200	x3570
194A	Exams implementation, math	900	x9959
193E	Fibonacci Number brute force, math, matrices	2900	x345
193D	Two Segments data structures	2900	x556
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x517
193B	Xor brute force	2000	x1020
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x4057
192B	Walking in the Rain brute force, implementation	1100	x6321
192A	Funky Numbers binary search, brute force, implementation	1300	x10472
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x862
191D	Metro Scheme graphs, greedy	2700	x365
191C	Fools and Roads data structures, dfs and similar, trees	1900	x7374
191B	Demonstration greedy	1700	x1014
191A	Dynasty Puzzles dp	1500	x4064
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1563
190D	Non-Secret Cypher two pointers	1900	x2352
190C	STL dfs and similar	1500	x2890
190B	Surrounded geometry	1800	x2863
190A	Vasya and the Bus greedy, math	1100	x5910
189B	Counting Rhombi brute force, math	1300	x3967
189A	Cut Ribbon brute force, dp	1300	x68462
188H	Stack *special problem, expression parsing, implementation	1800	x267
188G	Array Sorting *special problem, implementation	1600	x336
188F	Binary Notation *special problem, implementation	1400	x305
188E	HQ9+ *special problem, implementation	1400	x506
188D	Asterisks *special problem, implementation	1100	x685
188C	LCM *special problem, implementation, math	1400	x458
188B	A + Reverse B *special problem, implementation	1300	x740
188A	Hexagonal Numbers *special problem	1100	x783
187E	Heaven Tour data structures, greedy	2900	x104
187D	BRT Contract data structures	2800	x538
187C	Weak Memory dfs and similar, dsu	2000	x1386
187B	AlgoRace dp, shortest paths	1800	x2000
187A	Permutations greedy	1500	x2844
186B	Growing Mushrooms greedy, sortings	1200	x5641
186A	Comparing Strings implementation, strings	1100	x17213
185E	Soap Time! - 2 binary search, data structures	3000	x145
185D	Visit of the Great math, number theory	2600	x447
185C	Clever Fat Rat dp	2500	x139