Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
27:48:01
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Before contest
Codeforces Round 941 (Div. 2)
27:48:01
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Problems

#	Name
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11496
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11191
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11188
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10966
1400B	RPG Protagonist brute force, greedy, math	1700	x10825
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10591
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10249
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9505
493D	Vasya and Chess constructive algorithms, games, math	1700	x9479
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9478
1814B	Long Legs brute force, math	1700	x9476
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9374
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9360
1451D	Circle Game games, geometry, math	1700	x9240
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9195
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9127
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9079
1295B	Infinite Prefixes math, strings	1700	x9066
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x9043
1661C	Water the Trees binary search, greedy, math	1700	x8943
1312D	Count the Arrays combinatorics, math	1700	x8905
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8897
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8889
287B	Pipeline binary search, math	1700	x8811
1216C	White Sheet geometry, math	1700	x8755
1228C	Primes and Multiplication math, number theory	1700	x8674
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8637
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8446
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8387
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8328
1715C	Monoblock combinatorics, data structures, implementation, math	1700	x8313
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8308
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8246
1422C	Bargain combinatorics, dp, math	1700	x8066
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8049
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8021
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x7908
1260C	Infinite Fence greedy, math, number theory	1700	x7863
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7833
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x7807
1512G	Short Task brute force, dp, math, number theory	1700	x7780
1798C	Candy Store greedy, math, number theory	1700	x7749
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7669
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7422
1835A	k-th equality brute force, implementation, math	1700	x7401
1114C	Trailing Loves (or L'oeufs?) brute force, implementation, math, number theory	1700	x7241
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7135
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7079
1810D	Climbing the Tree binary search, math	1700	x7049
1692H	Gambling data structures, dp, greedy, math	1700	x7022
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x6999
1644D	Cross Coloring data structures, implementation, math	1700	x6975
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x6962
1618E	Singers' Tour constructive algorithms, math	1700	x6933
1551D1	Domino (easy version) constructive algorithms, math	1700	x6831
1690F	Shifting String graphs, math, number theory, strings	1700	x6769
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6719
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6692
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6668
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6618
1141E	Superhero Battle math	1700	x6588
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6582
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6516
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6456
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6449
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6447
1185D	Extra Element implementation, math	1700	x6421
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6405
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6350
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6305
630I	Parking Lot combinatorics, math	1700	x6267
1194D	1-2-K Game games, math	1700	x6185
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6176
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6160
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6138
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6094
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6089
833A	The Meaningless Game math, number theory	1700	x6014
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x5992
1215D	Ticket Game games, greedy, math	1700	x5964
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5950
1279D	Santa's Bot combinatorics, math, probabilities	1700	x5892
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5858
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5379
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5354
625A	Guest From the Past implementation, math	1700	x5350
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5280
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5276
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5262
1009C	Annoying Present greedy, math	1700	x5185
1280A	Cut and Paste implementation, math	1700	x5150
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5136
923A	Primal Sport math, number theory	1700	x4963
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4942
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x4864
578A	A Problem about Polyline geometry, math	1700	x4683
1042C	Array Product constructive algorithms, greedy, math	1700	x4624
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4560
983A	Finite or not? implementation, math	1700	x4447
900C	Remove Extra One brute force, data structures, math	1700	x4408