Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
235B	Let's Play Osu! dp, math, probabilities	2000	x3434
234H	Merging Two Decks constructive algorithms, greedy	2000	x558
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x684
232D	Fence binary search, data structures, string suffix structures	2900	x445
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x285
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1799
229E	Gifts combinatorics, dp, math, probabilities	2600	x456
229D	Towers dp, greedy, two pointers	2100	x2185
228D	Zigzag data structures	2100	x377
228C	Fractal Detector dp, hashing	2000	x446
226E	Noble Knight's Path data structures, trees	2900	x454
226D	The table constructive algorithms, greedy	2100	x956
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x854
225E	Unsolvable math, number theory	2100	x792
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x920
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
220E	Little Elephant and Inversions data structures, two pointers	2400	x1352
220D	Little Elephant and Triangle geometry, math	2500	x280
220C	Little Elephant and Shifts data structures	2100	x929
219E	Parking Lot data structures	2200	x606
217E	Alien DNA data structures, dsu, trees	2800	x318
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x246
217C	Formurosa divide and conquer, dp, expression parsing	2600	x328
217B	Blackboard Fibonacci brute force, math	2100	x881
216E	Martian Luck math, number theory	2000	x565
215E	Periodical Numbers combinatorics, dp, number theory	2100	x545
215C	Crosses brute force, implementation	2100	x661
213E	Two Permutations data structures, hashing, strings	2700	x781
213D	Stars constructive algorithms, geometry	2300	x336
213C	Relay Race dp	2000	x2789
212D	Cutting a Fence binary search, data structures, dsu	2500	x464
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x329
212A	Privatization flows, graphs	3000	x199
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x722
209B	Pixels constructive algorithms, math	2100	x365
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6348
207D8	The Beaver's Problem - 3	2300	x89
207D6	The Beaver's Problem - 3	2100	x80
207D4	The Beaver's Problem - 3	2100	x149
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x105
207D10	The Beaver's Problem - 3	2100	x82
207C3	Game with Two Trees data structures	2700	x127
207C2	Game with Two Trees	2200	x83
207C1	Game with Two Trees	2100	x107
207A3	Beaver's Calculator 1.0 greedy	2000	x207
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1131
204D	Little Elephant and Retro Strings dp	2400	x499
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1090
203E	Transportation greedy, sortings, two pointers	2300	x279
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x408
201D	Brand New Problem bitmasks, brute force, dp	2600	x404
201C	Fragile Bridges dp	2000	x1307
200E	Tractor College implementation, math, number theory, ternary search	2400	x340
200A	Cinema brute force, data structures	2400	x675
198E	Gripping Story binary search, data structures, sortings	2400	x405
198D	Cube Snake constructive algorithms	2700	x105
198C	Delivering Carcinogen binary search, geometry	2400	x370
196E	Opening Portals dsu, graphs, shortest paths	2600	x849
196D	The Next Good String data structures, greedy, hashing, strings	2800	x526
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x813
196B	Infinite Maze dfs and similar, graphs	2000	x2152
195E	Building Forest data structures, dsu, graphs	2000	x694
193E	Fibonacci Number brute force, math, matrices	2900	x327
193D	Two Segments data structures	2900	x389
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x508
193B	Xor brute force	2000	x999
191E	Thwarting Demonstrations binary search, data structures, trees	2200	x818
191D	Metro Scheme graphs, greedy	2700	x349
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1492
187E	Heaven Tour data structures, greedy	2900	x97
187D	BRT Contract data structures	2800	x520
187C	Weak Memory dfs and similar, dsu	2000	x1308
185E	Soap Time! - 2 binary search, data structures	3000	x104
185D	Visit of the Great math, number theory	2600	x392
185C	Clever Fat Rat dp	2500	x133
183E	Candy Shop greedy	2900	x134
183D	T-shirt dp, greedy, probabilities	2700	x400
183C	Cyclic Coloring dfs and similar	2200	x605
182C	Optimal Sum data structures, greedy	2000	x714
182A	Battlefield geometry, graphs, implementation, shortest paths	2200	x280
180B	Divisibility Rules math, number theory	2300	x331
178F3	Representative Sampling	2500	x412
178F2	Representative Sampling dp, sortings, strings	2200	x322
178E3	The Beaver's Problem - 2	2300	x201
178E2	The Beaver's Problem - 2	2000	x230
178D3	Magic Squares	2100	x243
178C3	Smart Beaver and Resolving Collisions	2000	x300
177G2	Fibonacci Strings matrices, strings	2600	x178
177G1	Fibonacci Strings strings	2400	x170
177F2	Script Generation	2300	x204
176E	Archaeology data structures, dfs and similar, trees	3100	x1098
176D	Hyper String dp	2500	x305
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x470
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x65
175E	Power Defence brute force, dp, geometry, greedy	2600	x261
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x296
173E	Camping Groups data structures, sortings	2600	x540