Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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brute force

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Problems

#	Name
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4559
1019A	Elections brute force, greedy	1700	x4507
900C	Remove Extra One brute force, data structures, math	1700	x4407
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4365
831C	Jury Marks brute force, constructive algorithms	1700	x4360
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4355
789B	Masha and geometric depression brute force, implementation, math	1700	x4341
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4142
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3939
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3793
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3760
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3541
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3533
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3411
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3296
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3273
1142A	The Beatles brute force, math	1700	x3257
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3036
850A	Five Dimensional Points brute force, geometry, math	1700	x2992
156A	Message brute force	1700	x2990
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2920
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2206
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2092
18B	Platforms brute force, math	1700	x2055
305B	Continued Fractions brute force, implementation, math	1700	x2032
63C	Bulls and Cows brute force, implementation	1700	x1624
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1319
106D	Treasure Island brute force, implementation	1700	x1291
98A	Help Victoria the Wise brute force, implementation	1700	x1166
202B	Brand New Easy Problem brute force	1700	x806
183B	Zoo brute force, geometry	1700	x677
448D	Multiplication Table binary search, brute force	1800	x13234
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x10841
300C	Beautiful Numbers brute force, combinatorics	1800	x8837
584D	Dima and Lisa brute force, math, number theory	1800	x8796
1500A	Going Home brute force, hashing, implementation, math	1800	x8522
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8503
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7932
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7267
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7248
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7211
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7210
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6994
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6926
3C	Tic-tac-toe brute force, games, implementation	1800	x6847
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6832
988D	Points and Powers of Two brute force, math	1800	x6771
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6673
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6546
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6535
1152C	Neko does Maths brute force, math, number theory	1800	x6505
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6336
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6165
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5738
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5701
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5640
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5600
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5292
1781D	Many Perfect Squares brute force, math, number theory	1800	x5214
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4491
911D	Inversion Counting brute force, math	1800	x4410
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4402
257C	View Angle brute force, geometry, math	1800	x4186
585A	Gennady the Dentist brute force, implementation	1800	x4110
1138B	Circus brute force, greedy, math, strings	1800	x3896
1129A2	Toy Train brute force, greedy	1800	x3849
813B	The Golden Age brute force, math	1800	x3770
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3758
487A	Fight the Monster binary search, brute force, implementation	1800	x3653
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3636
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3587
991E	Bus Number brute force, combinatorics, math	1800	x3398
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3073
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2951
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2838
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2647
846C	Four Segments brute force, data structures, dp	1800	x2612
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2558
846B	Math Show brute force, greedy	1800	x2450
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2406
1575D	Divisible by Twenty-Five brute force, dfs and similar, dp	1800	x2391
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2362
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2253
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1973
58C	Trees brute force	1800	x1959
49D	Game brute force, dp, implementation	1800	x1830
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1754
252B	Unsorting Array brute force, sortings	1800	x1676
883H	Palindromic Cut brute force, implementation, strings	1800	x1564
117B	Very Interesting Game brute force, number theory	1800	x1535
140B	New Year Cards brute force, greedy, implementation	1800	x1475
200C	Football Championship brute force, implementation	1800	x996
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x888
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x869
105B	Dark Assembly brute force, probabilities	1800	x794
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x683
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x366
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x316