Problemset - Codeforces

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

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Problems

#	Name
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4151
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4123
68B	Energy exchange binary search	1600	x4108
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4097
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4071
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4069
772A	Voltage Keepsake binary search, math	1800	x4065
1250L	Divide The Students binary search, greedy, math	1500	x4014
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x3988
483B	Friends and Presents binary search, math	1800	x3984
1082E	Increasing Frequency binary search, dp, greedy	2000	x3979
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3948
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3937
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x3881
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x3877
729C	Road to Cinema binary search, greedy, sortings	1700	x3830
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3820
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x3819
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3817
1454F	Array Partition binary search, data structures, greedy, two pointers	2100	x3785
1237D	Balanced Playlist binary search, data structures, implementation	2000	x3778
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3774
363D	Renting Bikes binary search, greedy	1800	x3732
535C	Tavas and Karafs binary search, greedy, math	1900	x3701
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3691
1891D	Suspicious logarithms binary search, brute force, math	1900	x3676
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3669
1551E	Fixed Points binary search, brute force, dp	2000	x3662
487A	Fight the Monster binary search, brute force, implementation	1800	x3649
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3629
1575J	Jeopardy of Dropped Balls binary search, brute force, dsu, implementation	1500	x3624
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3605
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3578
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3572
799C	Fountains binary search, data structures, implementation	1800	x3568
940D	Alena And The Heater binary search, implementation	1600	x3558
321A	Ciel and Robot binary search, implementation, math	1700	x3547
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3531
111B	Petya and Divisors binary search, data structures, number theory	1900	x3531
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3505
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3482
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3455
551C	GukiZ hates Boxes binary search, greedy	2200	x3429
895B	XK Segments binary search, math, sortings, two pointers	1700	x3414
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3378
925A	Stairs and Elevators binary search	1600	x3353
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3340
487B	Strip binary search, data structures, dp, two pointers	2000	x3340
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3335
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3316
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3305
756B	Travel Card binary search, dp	1600	x3296
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3272
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3220
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3213
842D	Vitya and Strange Lesson binary search, data structures	2000	x3193
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3187
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3180
613A	Peter and Snow Blower binary search, geometry, ternary search	1900	x3177
1637E	Best Pair binary search, brute force, implementation	2100	x3175
825D	Suitable Replacement binary search, greedy, implementation	1500	x3169
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x3161
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3160
645C	Enduring Exodus binary search, two pointers	1600	x3142
700A	As Fast As Possible binary search, math	1900	x3141
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3113
1271E	Common Number binary search, combinatorics, dp, math	2100	x3104
225B	Well-known Numbers binary search, greedy, number theory	1600	x3091
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3075
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3071
689D	Friends and Subsequences binary search, data structures	2100	x3045
803D	Magazine Ad binary search, greedy	1900	x3044
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3027
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x2993
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x2980
496D	Tennis Game binary search	1900	x2976
671B	Robin Hood binary search, greedy	2000	x2961
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x2956
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2943
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2911
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2909
595B	Pasha and Phone binary search, math	1600	x2893
343C	Read Time binary search, greedy, two pointers	1900	x2893
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2887
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2882
181B	Number of Triplets binary search, brute force	1300	x2861
1044A	The Tower is Going Home binary search, two pointers	1700	x2845
1250J	The Parade binary search, greedy	1800	x2843
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2781
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2781
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2776
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2774
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2761
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x2717
847E	Packmen binary search, dp	1800	x2704
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2697
360B	Levko and Array binary search, dp	2000	x2693
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2653
380A	Sereja and Prefixes binary search, brute force	1600	x2644
1887B	Time Travel binary search, graphs, shortest paths	1900	x2637