Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
229D	Towers dp, greedy, two pointers	2100	x2721
229C	Triangles combinatorics, graphs, math	1900	x1871
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2906
228D	Zigzag data structures	2100	x467
228C	Fractal Detector dp, hashing	2000	x566
226D	The table constructive algorithms, greedy	2100	x1197
226B	Naughty Stone Piles greedy	1900	x1733
225E	Unsolvable math, number theory	2100	x934
223C	Partial Sums combinatorics, math, number theory	1900	x1783
223B	Two Strings data structures, dp, strings	1900	x2050
222E	Decoding Genome dp, matrices	1900	x3820
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2361
220C	Little Elephant and Shifts data structures	2100	x1070
217B	Blackboard Fibonacci brute force, math	2100	x1282
216E	Martian Luck math, number theory	2000	x723
215E	Periodical Numbers combinatorics, dp, number theory	2100	x705
215D	Hot Days greedy	1900	x1696
215C	Crosses brute force, implementation	2100	x740
213C	Relay Race dp	2000	x3373
213B	Numbers combinatorics, dp	1900	x2009
212C	Cowboys combinatorics, dp, math	2100	x523
209B	Pixels constructive algorithms, math	2100	x509
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x9974
208C	Police Station dp, graphs, shortest paths	1900	x2220
208B	Solitaire dfs and similar, dp	1900	x1553
207D6	The Beaver's Problem - 3	2100	x90
207D4	The Beaver's Problem - 3	2100	x174
207D3	The Beaver's Problem - 3	2000	x149
207D2	The Beaver's Problem - 3	2000	x118
207D10	The Beaver's Problem - 3	2100	x87
207C1	Game with Two Trees	2100	x138
207B2	Military Trainings	1900	x245
207A3	Beaver's Calculator 1.0 greedy	2000	x313
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1336
201C	Fragile Bridges dp	2000	x1581
199B	Special Olympics geometry	1900	x890
196B	Infinite Maze dfs and similar, graphs	2000	x2524
195E	Building Forest data structures, dsu, graphs	2000	x940
195D	Analyzing Polyline geometry, math, sortings	1900	x1142
193B	Xor brute force	2000	x1196
191C	Fools and Roads data structures, dfs and similar, trees	1900	x10195
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1846
190D	Non-Secret Cypher two pointers	1900	x2722
187C	Weak Memory dfs and similar, dsu	2000	x1653
182C	Optimal Sum data structures, greedy	2000	x906
180D	Name greedy, strings	1900	x828
178E2	The Beaver's Problem - 2	2000	x246
178E1	The Beaver's Problem - 2	1900	x319
178D3	Magic Squares	2100	x275
178D2	Magic Squares	1900	x328
178C3	Smart Beaver and Resolving Collisions	2000	x362
178C2	Smart Beaver and Resolving Collisions	1900	x344
177E2	Space Voyage binary search	1900	x507
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x548
173C	Spiral Maximum brute force, dp	1900	x1126
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1637
171C	A Piece of Cake *special problem, implementation	2000	x1254
166B	Polygons geometry, sortings	2100	x3414
165D	Beard Graph data structures, dsu, trees	2100	x2008
164B	Ancient Berland Hieroglyphs two pointers	2000	x558
163C	Conveyor sortings, two pointers	2100	x645
163B	Lemmings binary search	2000	x1212
162I	Truncatable primes *special problem	2000	x97
162G	Non-decimal sum *special problem	2000	x90
162D	Remove digits *special problem	1900	x234
158E	Phone Talks *special problem, dp, sortings	1900	x1552
156C	Cipher combinatorics, dp	2000	x2727
153E	Euclidean Distance *special problem	2100	x87
153D	Date Change *special problem	2000	x91
149D	Coloring Brackets dp	1900	x4952
148E	Porcelain dp	1900	x5121
145C	Lucky Subsequence combinatorics, dp, math	2100	x2243
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x5295
138B	Digits Permutations greedy	1900	x1121
137E	Last Chance data structures, implementation, strings	2000	x1430
137D	Palindromes dp, strings	1900	x1813
135C	Zero-One constructive algorithms, games, greedy	1900	x1469
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2576
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x752
132B	Piet implementation	2100	x834
131F	Present to Mom binary search, two pointers	2000	x835
128D	Numbers constructive algorithms, implementation	2000	x1307
128C	Games with Rectangle combinatorics, dp	2000	x3395
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x3007
126C	E-reader Display constructive algorithms, greedy	2000	x853
126A	Hot Bath binary search, brute force, math	1900	x1622
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1486
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x1067
119C	Education Reform dp	2000	x1142
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1152
118E	Bertown roads dfs and similar, graphs	2000	x9372
118C	Fancy Number brute force, greedy, sortings, strings	1900	x3056
117C	Cycle dfs and similar, graphs	2000	x3061
113B	Petr# brute force, data structures, hashing, strings	2000	x3390
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1642
111B	Petya and Divisors binary search, data structures, number theory	1900	x4203
109D	Lucky Sorting constructive algorithms, sortings	2000	x938
109C	Lucky Tree dp, dsu, trees	1900	x4278
109B	Lucky Probability brute force, probabilities	1900	x1839
106E	Space Rescuers geometry, ternary search	2100	x1034

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