Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
37:19:55
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Problems

#	Name
983A	Finite or not? implementation, math	1700	x4447
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4556
1042C	Array Product constructive algorithms, greedy, math	1700	x4622
578A	A Problem about Polyline geometry, math	1700	x4683
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x4860
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4935
923A	Primal Sport math, number theory	1700	x4963
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5111
1280A	Cut and Paste implementation, math	1700	x5146
1009C	Annoying Present greedy, math	1700	x5182
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5229
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5229
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5251
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5274
625A	Guest From the Past implementation, math	1700	x5348
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5375
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5848
1279D	Santa's Bot combinatorics, math, probabilities	1700	x5855
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5902
1215D	Ticket Game games, greedy, math	1700	x5959
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x5982
833A	The Meaningless Game math, number theory	1700	x6009
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6033
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6057
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6073
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6134
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6175
1194D	1-2-K Game games, math	1700	x6178
630I	Parking Lot combinatorics, math	1700	x6253
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6288
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6346
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6379
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6395
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6406
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6418
1185D	Extra Element implementation, math	1700	x6420
1141E	Superhero Battle math	1700	x6458
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6476
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6579
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6601
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6645
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6659
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6715
1690F	Shifting String graphs, math, number theory, strings	1700	x6759
1551D1	Domino (easy version) constructive algorithms, math	1700	x6823
1618E	Singers' Tour constructive algorithms, math	1700	x6927
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x6953
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x6959
1644D	Cross Coloring data structures, implementation, math	1700	x6961
1692H	Gambling data structures, dp, greedy, math	1700	x7008
1810D	Climbing the Tree binary search, math	1700	x7032
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7075
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7126
1114C	Trailing Loves (or L'oeufs?) brute force, implementation, math, number theory	1700	x7177
1835A	k-th equality brute force, implementation, math	1700	x7382
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7419
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7652
1798C	Candy Store greedy, math, number theory	1700	x7731
1512G	Short Task brute force, dp, math, number theory	1700	x7766
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7802
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x7805
1260C	Infinite Fence greedy, math, number theory	1700	x7858
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x7883
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8009
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8040
1422C	Bargain combinatorics, dp, math	1700	x8062
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8232
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8294
1715C	Monoblock combinatorics, data structures, implementation, math	1700	x8298
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8311
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8370
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8435
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8616
1228C	Primes and Multiplication math, number theory	1700	x8670
1216C	White Sheet geometry, math	1700	x8748
287B	Pipeline binary search, math	1700	x8779
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8870
1312D	Count the Arrays combinatorics, math	1700	x8882
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8889
1661C	Water the Trees binary search, greedy, math	1700	x8933
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x8999
1295B	Infinite Prefixes math, strings	1700	x9057
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9065
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9124
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9177
1451D	Circle Game games, geometry, math	1700	x9229
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9345
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9346
1814B	Long Legs brute force, math	1700	x9448
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9471
493D	Vasya and Chess constructive algorithms, games, math	1700	x9471
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9494
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10238
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10569
1400B	RPG Protagonist brute force, greedy, math	1700	x10819
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10962
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11173
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11181
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11483
1537D	Deleting Divisors games, math, number theory	1700	x11809