Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
2 days
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binary search

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Problems

#	Name
1285F	Classical? binary search, combinatorics, number theory	2900	x1057
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1320
1906D	Spaceship Exploration binary search, geometry	2800	x85
887E	Little Brother binary search, geometry, sortings	2800	x161
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x242
1900F	Local Deletions binary search, data structures, implementation	2800	x252
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x283
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x313
11E	Forward, march! binary search, dp, greedy	2800	x334
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x362
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x365
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x394
1608E	The Cells on the Paper binary search, implementation, sortings	2800	x422
1310C	Au Pont Rouge binary search, dp, strings	2800	x460
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x473
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x564
1625E2	Cats on the Upgrade (hard version) binary search, data structures, dfs and similar, graphs, trees	2800	x574
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x576
815D	Karen and Cards binary search, combinatorics, data structures, geometry	2800	x590
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x668
1279F	New Year and Handle Change binary search, dp	2800	x829
983E	NN country binary search, data structures, trees	2800	x865
774F	Pens And Days Of Week *special problem, binary search, number theory	2700	x104
592E	BCPC binary search, geometry, two pointers	2700	x207
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x248
721E	Road to Home binary search, dp	2700	x299
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x309
1182F	Maximum Sine binary search, data structures, number theory	2700	x328
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x366
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x388
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x420
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x433
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x557
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x570
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x587
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x619
1019D	Large Triangle binary search, geometry, sortings	2700	x623
1550F	Jumping Around binary search, data structures, divide and conquer, dp, dsu, graphs, shortest paths	2700	x624
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x630
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x646
961F	k-substrings binary search, hashing, string suffix structures	2700	x646
1220F	Gardener Alex binary search, data structures	2700	x655
444E	DZY Loves Planting binary search, dsu, trees	2700	x740
241B	Friends binary search, bitmasks, data structures, math	2700	x746
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x749
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x794
1804F	Approximate Diameter binary search, divide and conquer, graphs, shortest paths	2700	x844
1491F	Magnets binary search, constructive algorithms, interactive	2700	x894
1632E2	Distance Tree (hard version) binary search, dfs and similar, shortest paths, trees	2700	x923
1344D	Résumé Review binary search, greedy, math	2700	x941
713D	Animals and Puzzle binary search, data structures	2700	x1073
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1227
374E	Inna and Babies binary search, data structures, dsu, geometry, implementation	2600	x175
1773H	Hot and Cold binary search, interactive	2600	x336
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x387
8D	Two Friends binary search, geometry	2600	x508
1661F	Teleporters binary search, greedy	2600	x549
1762F	Good Pairs binary search, data structures, dp	2600	x551
1354G	Find a Gift binary search, interactive, probabilities	2600	x717
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x793
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x801
1614E	Divan and a Cottage binary search, data structures	2600	x806
1469F	Power Sockets binary search, data structures, greedy	2600	x823
875E	Delivery Club binary search, data structures, dp	2600	x848
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x863
1394C	Boboniu and String binary search, geometry, ternary search	2600	x897
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x902
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x905
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x918
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x981
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1118
650D	Zip-line binary search, data structures, dp, hashing	2600	x1182
1439C	Greedy Shopping binary search, data structures, divide and conquer, greedy, implementation	2600	x1670
121D	Lucky Segments binary search, implementation, two pointers	2500	x269
883D	Packmen Strike Back binary search, dp, math	2500	x348
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x402
260E	Dividing Kingdom binary search, brute force, data structures	2500	x407
832C	Strange Radiation binary search, implementation, math	2500	x426
212D	Cutting a Fence binary search, data structures, dsu	2500	x450
611F	New Year and Cleaning binary search, implementation	2500	x453
1056F	Write The Contest binary search, dp, math	2500	x461
594B	Max and Bike binary search, geometry	2500	x474
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x502
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x513
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x547
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x583
993D	Compute Power binary search, dp, greedy	2500	x590
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x632
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x651
981F	Round Marriage binary search, graph matchings, greedy	2500	x668
1666E	Even Split binary search, constructive algorithms, greedy, math	2500	x669
1809F	Traveling in Berland binary search, data structures, graphs, greedy, implementation	2500	x701
1055E	Segments on the Line binary search, dp	2500	x706
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x717
147B	Smile House binary search, graphs, matrices	2500	x740
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x746
1468G	Hobbits binary search, geometry	2500	x796
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x814
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x845
555D	Case of a Top Secret binary search, implementation, math	2500	x856