Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
5 days

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Difficulty: —

brute force

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Problems

#	Name
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6328
1152C	Neko does Maths brute force, math, number theory	1800	x6373
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6512
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6521
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6664
988D	Points and Powers of Two brute force, math	1800	x6755
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6801
3C	Tic-tac-toe brute force, games, implementation	1800	x6837
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6885
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6915
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7197
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7206
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7215
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7231
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7926
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8478
1500A	Going Home brute force, hashing, implementation, math	1800	x8500
584D	Dima and Lisa brute force, math, number theory	1800	x8774
300C	Beautiful Numbers brute force, combinatorics	1800	x8815
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x10826
448D	Multiplication Table binary search, brute force	1800	x13201
183B	Zoo brute force, geometry	1700	x676
202B	Brand New Easy Problem brute force	1700	x803
98A	Help Victoria the Wise brute force, implementation	1700	x1165
106D	Treasure Island brute force, implementation	1700	x1289
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1317
63C	Bulls and Cows brute force, implementation	1700	x1622
305B	Continued Fractions brute force, implementation, math	1700	x2030
18B	Platforms brute force, math	1700	x2052
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2090
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2205
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2919
156A	Message brute force	1700	x2988
850A	Five Dimensional Points brute force, geometry, math	1700	x2991
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3032
1142A	The Beatles brute force, math	1700	x3255
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3271
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3295
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3404
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3530
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3535
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3758
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3791
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3935
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4139
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4310
789B	Masha and geometric depression brute force, implementation, math	1700	x4339
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4348
831C	Jury Marks brute force, constructive algorithms	1700	x4354
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4362
900C	Remove Extra One brute force, data structures, math	1700	x4403
1019A	Elections brute force, greedy	1700	x4504
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4554
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4932
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x4976
578B	"Or" Game brute force, greedy	1700	x5105
1210A	Anadi and Domino brute force, graphs	1700	x5111
1132C	Painting the Fence brute force	1700	x5154
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5247
1118D1	Coffee and Coursework (Easy version) brute force, greedy	1700	x5330
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5343
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5370
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5427
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5480
815A	Karen and Game brute force, greedy, implementation	1700	x5569
1210B	Marcin and Training Camp brute force, greedy	1700	x5659
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x5803
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x5813
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x5997
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6031
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6069
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6129
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6278
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6299
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6400
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6524
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6632
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6649
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x6787
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x6943
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7072
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7123
1114C	Trailing Loves (or L'oeufs?) brute force, implementation, math, number theory	1700	x7170
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7237
1835A	k-th equality brute force, implementation, math	1700	x7367
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7701
1512G	Short Task brute force, dp, math, number theory	1700	x7759
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x7785
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7788
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8222
1826D	Running Miles brute force, dp, greedy	1700	x8403
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8856
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8883
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9118
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9220
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9341
1814B	Long Legs brute force, math	1700	x9430
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9486
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9906
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10302