Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
237C	Primes on Interval binary search, number theory, two pointers	1600	x5749
237B	Young Table implementation, sortings	1500	x2235
237A	Free Cash implementation	1000	x26729
236B	Easy Number Challenge implementation, number theory	1300	x14196
236A	Boy or Girl brute force, implementation, strings	800	x209126
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x776
235D	Graph Game graphs	3000	x504
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2118
235B	Let's Play Osu! dp, math, probabilities	2000	x3516
235A	LCM Challenge number theory	1600	x17717
234H	Merging Two Decks constructive algorithms, greedy	2000	x567
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1478
234F	Fence dp	1800	x1737
234E	Champions' League implementation	1600	x1001
234D	Cinema implementation	1600	x1533
234C	Weather dp, implementation	1300	x5531
234B	Reading sortings	1000	x7100
234A	Lefthanders and Righthanders implementation	1200	x4432
233B	Non-square Equation binary search, brute force, math	1400	x7480
233A	Perfect Permutation implementation, math	800	x42305
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x691
232D	Fence binary search, data structures, string suffix structures	2900	x475
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x288
232B	Table bitmasks, combinatorics, dp, math	1900	x1462
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2527
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1838
231D	Magic Box brute force, geometry	1600	x4085
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8613
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3606
231A	Team brute force, greedy	800	x323435
230B	T-primes binary search, implementation, math, number theory	1300	x74991
230A	Dragons greedy, sortings	1000	x78961
229E	Gifts combinatorics, dp, math, probabilities	2600	x459
229D	Towers dp, greedy, two pointers	2100	x2229
229C	Triangles combinatorics, graphs, math	1900	x1618
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4656
229A	Shifts brute force, two pointers	1500	x3508
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2431
228D	Zigzag data structures	2100	x383
228C	Fractal Detector dp, hashing	2000	x453
228B	Two Tables brute force, implementation	1400	x3466
228A	Is your horseshoe on the other hoof? implementation	800	x109478
227B	Effective Approach implementation	1100	x27947
227A	Where do I Turn? geometry	1300	x4182
226E	Noble Knight's Path data structures, trees	2900	x457
226D	The table constructive algorithms, greedy	2100	x960
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x868
226B	Naughty Stone Piles greedy	1900	x1559
226A	Flying Saucer Segments math	1400	x3986
225E	Unsolvable math, number theory	2100	x802
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x945
225C	Barcode dp, matrices	1700	x9106
225B	Well-known Numbers binary search, greedy, number theory	1600	x3151
225A	Dice Tower constructive algorithms, greedy	1100	x11686
224B	Array bitmasks, implementation, two pointers	1500	x7316
224A	Parallelepiped brute force, geometry, math	1100	x26636
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1557
223B	Two Strings data structures, dp, strings	1900	x1788
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2529
222E	Decoding Genome dp, matrices	1900	x2764
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2163
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2204
222B	Cosmic Tables data structures, implementation	1300	x6101
222A	Shooshuns and Sequence brute force, implementation	1200	x10749
221B	Little Elephant and Numbers implementation	1300	x4565
221A	Little Elephant and Function implementation, math	1000	x15195
220E	Little Elephant and Inversions data structures, two pointers	2400	x1392
220D	Little Elephant and Triangle geometry, math	2500	x283
220C	Little Elephant and Shifts data structures	2100	x935
220B	Little Elephant and Array constructive algorithms, data structures	1800	x10163
220A	Little Elephant and Problem implementation, sortings	1300	x11981
219E	Parking Lot data structures	2200	x615
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9374
219C	Color Stripe brute force, dp, greedy	1600	x6653
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5809
219A	k-String implementation, strings	1000	x27702
218B	Airport implementation	1100	x16414
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9435
217E	Alien DNA data structures, dsu, trees	2800	x322
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x251
217C	Formurosa divide and conquer, dp, expression parsing	2600	x336
217B	Blackboard Fibonacci brute force, math	2100	x894
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x21127
216E	Martian Luck math, number theory	2000	x582
216D	Spider's Web binary search, sortings, two pointers	1700	x1354
216C	Hiring Staff greedy	1800	x1844
216B	Forming Teams dfs and similar, implementation	1700	x6351
216A	Tiling with Hexagons implementation, math	1200	x5000
215E	Periodical Numbers combinatorics, dp, number theory	2100	x556
215D	Hot Days greedy	1900	x1597
215C	Crosses brute force, implementation	2100	x668
215B	Olympic Medal greedy, math	1300	x5567
215A	Bicycle Chain brute force, implementation	900	x14470
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4962
214A	System of Equations brute force	800	x35235
213E	Two Permutations data structures, hashing, strings	2700	x796
213D	Stars constructive algorithms, geometry	2300	x340
213C	Relay Race dp	2000	x2848