Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
30:54:26
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Before contest
Codeforces Round 941 (Div. 2)
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binary search

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Problems

#	Name
1436D	Bandit in a City binary search, dfs and similar, graphs, greedy, trees	1900	x5830
1436C	Binary Search binary search, combinatorics	1500	x10517
1431F	Neural Network Problem *special problem, binary search, greedy	2100	x152
1430D	String Deletion binary search, data structures, greedy, two pointers	1700	x8658
1428H	Rotary Laser Lock binary search, interactive	3500	x85
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2160
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3495
1427H	Prison Break binary search, games, geometry, ternary search	3500	x69
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19005
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4648
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1764
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x474
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14659
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23535
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1722
1416E	Split binary search, data structures, dp, greedy	3200	x268
1416A	k-Amazing Numbers binary search, data structures, implementation, two pointers	1500	x11678
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5525
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7534
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x350
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4154
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8617
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x2484
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x284
1401F	Reverse and Swap binary search, bitmasks, data structures	2400	x1488
1399E2	Weights Division (hard version) binary search, dfs and similar, greedy, sortings, trees, two pointers	2200	x2206
1398F	Controversial Rounds binary search, data structures, dp, greedy, two pointers	2500	x1066
1398E	Two Types of Spells binary search, data structures, greedy, implementation, math, sortings	2200	x2170
1394C	Boboniu and String binary search, geometry, ternary search	2600	x899
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x1939
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x670
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x249
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x560
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1057
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5398
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12461
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1618
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x422
1371E2	Asterism (Hard Version) binary search, combinatorics, dp, math, number theory, sortings	2300	x2292
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4947
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1233
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1355
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4607
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9109
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x1440
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x588
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3951
1366A	Shovels and Swords binary search, greedy, math	1100	x28882
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3822
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1378
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4276
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x349
1359C	Mixing Water binary search, math	1700	x13241
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x436
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x7997
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4706
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10177
1354G	Find a Gift binary search, interactive, probabilities	2600	x718
1354D	Multiset binary search, data structures	1900	x8241
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5802
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15306
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29057
1352C	K-th Not Divisible by n binary search, math	1200	x49467
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8473
1345B	Card Constructions binary search, brute force, dp, math	1100	x25449
1344D	Résumé Review binary search, greedy, math	2700	x943
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x5828
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10966
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10407
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33180
1334F	Strange Function binary search, data structures, dp, greedy	2500	x1079
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12097
1329E	Dreamoon Loves AA binary search, greedy	3300	x169
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28031
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x9499
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26616
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26829
1323B	Count Subrectangles binary search, greedy, implementation	1500	x8467
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x3890
1315B	Homecoming binary search, dp, greedy, strings	1300	x8955
1310C	Au Pont Rouge binary search, dp, strings	2800	x464
1307E	Cow and Treats binary search, combinatorics, dp, greedy, implementation, math	2500	x1074
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6015
1305H	Kuroni the Private Tutor binary search, greedy	3500	x108
1301E	Nanosoft binary search, data structures, dp, implementation	2500	x1194
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x9043
1301B	Motarack's Birthday binary search, greedy, ternary search	1500	x13845
1297D	Bonus Distribution *special problem, binary search, greedy, sortings		x257
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x14954
1290B	Irreducible Anagrams binary search, constructive algorithms, data structures, strings, two pointers	1800	x4905
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6657
1288A	Deadline binary search, brute force, math, ternary search	1100	x17861
1285F	Classical? binary search, combinatorics, number theory	2900	x1061
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2911
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10580
1279F	New Year and Handle Change binary search, dp	2800	x831
1279B	Verse For Santa binary search, brute force, implementation	1300	x13348
1275F	Шардирование постов *special problem, binary search, interactive		x91
1271E	Common Number binary search, combinatorics, dp, math	2100	x3108
1268C	K Integers binary search, data structures	2300	x1664