Problemset - Codeforces

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Before contest
Codeforces Round (Div. 3)
6 days

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Difficulty: —

binary search

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Problems

#	Name
1463D	Pairs binary search, constructive algorithms, greedy, two pointers	1900	x4275
1463A	Dungeon binary search, math	1100	x24684
1462F	The Treasure of The Segments binary search, data structures, greedy	1800	x6738
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9313
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13333
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x9034
1454F	Array Partition binary search, data structures, greedy, two pointers	2100	x3841
1453E	Dog Snacks binary search, dfs and similar, dp, greedy, trees	2300	x1981
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14485
1450D	Rating Compression binary search, data structures, greedy, implementation, two pointers	1800	x5339
1446F	Line Distance binary search, data structures, geometry	3200	x275
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3417
1443C	The Delivery Dilemma binary search, greedy, sortings	1400	x15023
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x561
1439C	Greedy Shopping binary search, data structures, divide and conquer, greedy, implementation	2600	x1689
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x1299
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3347
1436E	Complicated Computations binary search, data structures, two pointers	2400	x2133
1436D	Bandit in a City binary search, dfs and similar, graphs, greedy, trees	1900	x5896
1436C	Binary Search binary search, combinatorics	1500	x10591
1431F	Neural Network Problem *special problem, binary search, greedy	2100	x155
1430D	String Deletion binary search, data structures, greedy, two pointers	1700	x8698
1428H	Rotary Laser Lock binary search, interactive	3500	x101
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2178
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3541
1427H	Prison Break binary search, games, geometry, ternary search	3500	x70
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19112
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4705
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1777
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x477
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14937
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23795
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1744
1416E	Split binary search, data structures, dp, greedy	3200	x279
1416A	k-Amazing Numbers binary search, data structures, implementation, two pointers	1500	x11930
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5576
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7624
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x357
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4183
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8683
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x2533
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x289
1401F	Reverse and Swap binary search, bitmasks, data structures	2400	x1548
1399E2	Weights Division (hard version) binary search, dfs and similar, greedy, sortings, trees, two pointers	2200	x2229
1398F	Controversial Rounds binary search, data structures, dp, greedy, two pointers	2500	x1071
1398E	Two Types of Spells binary search, data structures, greedy, implementation, math, sortings	2200	x2183
1394C	Boboniu and String binary search, geometry, ternary search	2600	x906
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x1948
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x677
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x254
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x579
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1063
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5448
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12525
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1626
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x429
1371E2	Asterism (Hard Version) binary search, combinatorics, dp, math, number theory, sortings	2300	x2308
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4980
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1254
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1376
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4631
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9208
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x1464
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x612
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x4020
1366A	Shovels and Swords binary search, greedy, math	1100	x29310
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3892
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1445
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4345
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x401
1359C	Mixing Water binary search, math	1700	x13407
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x438
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x8058
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4795
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10311
1354G	Find a Gift binary search, interactive, probabilities	2600	x751
1354D	Multiset binary search, data structures	1900	x8397
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5877
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15405
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29648
1352C	K-th Not Divisible by n binary search, math	1200	x51184
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8583
1345B	Card Constructions binary search, brute force, dp, math	1100	x25690
1344D	Résumé Review binary search, greedy, math	2700	x1009
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x5902
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x11103
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10544
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33609
1334F	Strange Function binary search, data structures, dp, greedy	2500	x1140
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12225
1329E	Dreamoon Loves AA binary search, greedy	3300	x173
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28317
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x9713
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x27146
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x27146
1323B	Count Subrectangles binary search, greedy, implementation	1500	x8707
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x4014
1315B	Homecoming binary search, dp, greedy, strings	1300	x9111
1310C	Au Pont Rouge binary search, dp, strings	2800	x483
1307E	Cow and Treats binary search, combinatorics, dp, greedy, implementation, math	2500	x1125