Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
18:12:42
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Problems

#	Name
245G	Suggested Friends brute force, graphs	2200	x428
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x872
245C	Game with Coins greedy	1700	x1530
243E	Matrix data structures	3000	x187
243D	Cubes data structures, dp, geometry, two pointers	2700	x211
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x524
243B	Hydra graphs, sortings	2000	x1209
242E	XOR on Segment bitmasks, data structures	2000	x8735
242D	Dispute dfs and similar, graphs, greedy	2100	x1854
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8305
241G	Challenging Balloons constructive algorithms	1900	x541
241F	Race brute force, implementation	2300	x261
241E	Flights graphs, shortest paths	2600	x1017
241D	Numbers	2900	x364
241C	Mirror Box geometry, implementation	2000	x509
241B	Friends binary search, bitmasks, data structures, math	2700	x769
240F	TorCoder data structures	2600	x1867
240E	Road Repairs dfs and similar, graphs, greedy	2800	x354
238E	Meeting Her dp, graphs, shortest paths	2600	x349
238D	Tape Programming data structures, implementation	2900	x247
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1215
238B	Boring Partition constructive algorithms	1800	x1280
237E	Build String flows, graphs	2000	x1676
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x550
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x763
235D	Graph Game graphs	3000	x495
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2052
235B	Let's Play Osu! dp, math, probabilities	2000	x3413
234H	Merging Two Decks constructive algorithms, greedy	2000	x558
234F	Fence dp	1800	x1721
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x683
232D	Fence binary search, data structures, string suffix structures	2900	x444
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x284
232B	Table bitmasks, combinatorics, dp, math	1900	x1395
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1767
229E	Gifts combinatorics, dp, math, probabilities	2600	x455
229D	Towers dp, greedy, two pointers	2100	x2177
229C	Triangles combinatorics, graphs, math	1900	x1604
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4539
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2377
228D	Zigzag data structures	2100	x377
228C	Fractal Detector dp, hashing	2000	x446
226E	Noble Knight's Path data structures, trees	2900	x453
226D	The table constructive algorithms, greedy	2100	x956
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x853
226B	Naughty Stone Piles greedy	1900	x1540
225E	Unsolvable math, number theory	2100	x790
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x919
225C	Barcode dp, matrices	1700	x8883
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1528
223B	Two Strings data structures, dp, strings	1900	x1744
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2498
222E	Decoding Genome dp, matrices	1900	x2651
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2144
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2123
220E	Little Elephant and Inversions data structures, two pointers	2400	x1349
220D	Little Elephant and Triangle geometry, math	2500	x280
220C	Little Elephant and Shifts data structures	2100	x928
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9710
219E	Parking Lot data structures	2200	x606
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8984
217E	Alien DNA data structures, dsu, trees	2800	x296
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x246
217C	Formurosa divide and conquer, dp, expression parsing	2600	x327
217B	Blackboard Fibonacci brute force, math	2100	x873
216E	Martian Luck math, number theory	2000	x563
216D	Spider's Web binary search, sortings, two pointers	1700	x1336
216C	Hiring Staff greedy	1800	x1827
216B	Forming Teams dfs and similar, implementation	1700	x6210
215E	Periodical Numbers combinatorics, dp, number theory	2100	x545
215D	Hot Days greedy	1900	x1582
215C	Crosses brute force, implementation	2100	x660
213E	Two Permutations data structures, hashing, strings	2700	x779
213D	Stars constructive algorithms, geometry	2300	x335
213C	Relay Race dp	2000	x2781
213B	Numbers combinatorics, dp	1900	x1670
213A	Game dfs and similar, greedy	1700	x1704
212D	Cutting a Fence binary search, data structures, dsu	2500	x463
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x329
212A	Privatization flows, graphs	3000	x198
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x722
209B	Pixels constructive algorithms, math	2100	x363
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6294
208C	Police Station dp, graphs, shortest paths	1900	x1804
208B	Solitaire dfs and similar, dp	1900	x1350
207D9	The Beaver's Problem - 3	1800	x84
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	x135
207D2	The Beaver's Problem - 3	2000	x104
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x122
207C2	Game with Two Trees	2200	x80
207C1	Game with Two Trees	2100	x104
207B3	Military Trainings	1700	x163