Problemset - Codeforces

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Problems

#	Name
235B	Let's Play Osu! dp, math, probabilities	2000	x3342
234H	Merging Two Decks constructive algorithms, greedy	2000	x556
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1536
229D	Towers dp, greedy, two pointers	2100	x2100
228D	Zigzag data structures	2100	x374
228C	Fractal Detector dp, hashing	2000	x441
226D	The table constructive algorithms, greedy	2100	x945
225E	Unsolvable math, number theory	2100	x777
220C	Little Elephant and Shifts data structures	2100	x921
217B	Blackboard Fibonacci brute force, math	2100	x853
216E	Martian Luck math, number theory	2000	x543
215E	Periodical Numbers combinatorics, dp, number theory	2100	x538
215C	Crosses brute force, implementation	2100	x480
213C	Relay Race dp	2000	x2707
212C	Cowboys combinatorics, dp, math	2100	x376
209B	Pixels constructive algorithms, math	2100	x357
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6068
207D6	The Beaver's Problem - 3	2100	x78
207D4	The Beaver's Problem - 3	2100	x147
207D3	The Beaver's Problem - 3	2000	x133
207D2	The Beaver's Problem - 3	2000	x102
207D10	The Beaver's Problem - 3	2100	x80
207C1	Game with Two Trees	2100	x99
207A3	Beaver's Calculator 1.0 greedy	2000	x201
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1076
201C	Fragile Bridges dp	2000	x1288
196B	Infinite Maze dfs and similar, graphs	2000	x2121
195E	Building Forest data structures, dsu, graphs	2000	x686
193B	Xor brute force	2000	x979
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1432
187C	Weak Memory dfs and similar, dsu	2000	x1297
182C	Optimal Sum data structures, greedy	2000	x705
178E2	The Beaver's Problem - 2	2000	x226
178D3	Magic Squares	2100	x234
178C3	Smart Beaver and Resolving Collisions	2000	x295
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x464
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1401
171C	A Piece of Cake *special problem, implementation	2000	x1052
166B	Polygons geometry, sortings	2100	x2157
165D	Beard Graph data structures, dsu, trees	2100	x1584
164B	Ancient Berland Hieroglyphs two pointers	2000	x450
163C	Conveyor sortings, two pointers	2100	x537
163B	Lemmings binary search	2000	x1046
162I	Truncatable primes *special problem	2000	x71
162G	Non-decimal sum *special problem	2000	x55
156C	Cipher combinatorics, dp	2000	x2288
153E	Euclidean Distance *special problem	2100	x72
153D	Date Change *special problem	2000	x77
145C	Lucky Subsequence combinatorics, dp, math	2100	x1882
137E	Last Chance data structures, implementation, strings	2000	x1187
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x603
132B	Piet implementation	2100	x470
131F	Present to Mom binary search, two pointers	2000	x599
128D	Numbers constructive algorithms, implementation	2000	x1088
128C	Games with Rectangle combinatorics, dp	2000	x2692
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2454
126C	E-reader Display constructive algorithms, greedy	2000	x710
119C	Education Reform dp	2000	x853
118E	Bertown roads dfs and similar, graphs	2000	x5973
117C	Cycle dfs and similar, graphs	2000	x2542
113B	Petr# brute force, data structures, hashing, strings	2000	x2719
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1267
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
106E	Space Rescuers geometry, ternary search	2100	x837
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x1983
101C	Vectors implementation, math	2000	x684
100H	Battleship *special problem, dfs and similar, implementation	2100	x74
87C	Interesting Game dp, games, math	2000	x1303
82D	Two out of Three dp	2000	x1919
82C	General Mobilization data structures, dfs and similar, sortings	2000	x799
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x630
78C	Beaver Game dp, games, number theory	2000	x1801
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x977
76B	Mice greedy, two pointers	2100	x495
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1718
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x949
73B	Need For Brake binary search, greedy, sortings	2000	x488
69C	Game implementation	2000	x557
66E	Petya and Post data structures, dp	2000	x684
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x772
64F	Domain *special problem, expression parsing	2000	x175
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x713
61C	Capture Valerian math	2000	x691
60C	Mushroom Strife brute force, dfs and similar	2100	x549
59E	Shortest Path graphs, shortest paths	2000	x3111
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x601
58D	Calendar greedy, strings	2000	x713
56D	Changing a String dp	2100	x1520
54D	Writing a Song brute force, dp, strings	2100	x505
54C	First Digit Law dp, math, probabilities	2000	x1242
50D	Bombing binary search, dp, probabilities	2100	x596
50C	Happy Farm 5 geometry	2000	x725
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x560
47C	Crossword implementation	2000	x739
45H	Road Problem graphs	2100	x174
45E	Director constructive algorithms, greedy	2000	x522
44J	Triminoes constructive algorithms, greedy	2000	x554
43D	Journey brute force, constructive algorithms, implementation	2000	x1046
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x852
39C	Moon Craters dp, sortings	2100	x568