Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x888
1033C	Permutation Game brute force, dp, games	1600	x5624
1032F	Vasya and Maximum Matching dp, trees	2400	x969
1032E	The Unbearable Lightness of Weights dp, math	2100	x1695
1032C	Playing Piano constructive algorithms, dp	1700	x4001
1030E	Vasya and Good Sequences bitmasks, dp	2000	x3123
1029E	Tree with Small Distances dp, graphs, greedy	2100	x2961
1029B	Creating the Contest dp, greedy, math	1200	x17065
1028G	Guess the number dp, interactive	3000	x575
1027E	Inverse Coloring combinatorics, dp, math	2100	x2142
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3675
1016F	Road Projects dfs and similar, dp, trees	2600	x822
1016C	Vasya And The Mushrooms dp, implementation	1800	x3770
1015F	Bracket Substring dp, strings	2300	x1142
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3634
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5897
1012F	Passports dp, implementation	3400	x158
1012C	Hills dp	1900	x3513
1007E	Mini Metro dp	3400	x219
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x5449
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x10239
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1077
1003F	Abbreviation dp, hashing, strings	2200	x1373
1000G	Two-Paths data structures, dp, trees	2700	x604
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x4260
999F	Cards and Joy dp	2000	x2713
998B	Cutting dp, greedy, sortings	1200	x13206
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2986
996A	Hit the Lottery dp, greedy	800	x92911
995F	Cowmpany Cowmpensation combinatorics, dp, math, trees	2700	x1268
993D	Compute Power binary search, dp, greedy	2500	x754
991D	Bishwock dp, greedy	1500	x7230
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1886
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x910
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x253
988F	Rain and Umbrellas dp	2100	x2338
987C	Three displays brute force, dp, implementation	1400	x13621
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3696
983C	Elevator dp, graphs, shortest paths	2400	x842
983B	XOR-pyramid dp	1800	x5574
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11715
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x271
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x2136
981D	Bookshelves bitmasks, dp, greedy	1900	x3274
980F	Cactus to Tree dp, graphs, trees	2900	x197
980D	Perfect Groups dp, math, number theory	2100	x2728
979E	Kuro and Topological Parity dp	2400	x670
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1854
977F	Consecutive Subsequence dp	1700	x19592
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1502
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2849
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x21277
960G	Bandit Blues combinatorics, dp, fft, math	2900	x1074
960F	Pathwalks data structures, dp, graphs	2100	x2996
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1960
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2154
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3444
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x973
958C3	Encryption (hard) data structures, dp	2500	x593
958C2	Encryption (medium) dp	2000	x1265
955F	Heaps dp, trees	2600	x380
954H	Path Counting combinatorics, dp	2500	x591
954F	Runner's Problem dp, matrices, sortings	2100	x1219
946G	Almost Increasing Array data structures, dp	2500	x696
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x572
946D	Timetable dp	1800	x4473
940E	Cashback data structures, dp, greedy, math	2000	x3798
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9042
939F	Cutlet data structures, dp	2400	x981
938F	Erasing Substrings bitmasks, dp, greedy	2700	x506
936D	World of Tank dp, greedy	3000	x332
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3274
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x899
933E	A Preponderant Reunion constructive algorithms, dp	3200	x226
933A	A Twisty Movement dp	1800	x4996
932G	Palindrome Partition dp, string suffix structures, strings	2900	x953
932F	Escape Through Leaf data structures, dp, geometry	2700	x2986
932E	Team Work combinatorics, dp, math	2400	x2900
932D	Tree binary search, dp, trees	2200	x1753
930E	Coins Exhibition data structures, dp, math	2900	x437
930C	Teodor is not a liar! data structures, dp	1900	x2141
928B	Chat *special problem, dp	1400	x2541
924F	Minimal Subset Difference dp	3200	x213
924E	Wardrobe dp, greedy	2700	x517
924C	Riverside Curio data structures, dp, greedy	1700	x3878
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x646
922E	Birds dp	2200	x2168
920D	Tanks dp, greedy, implementation	2400	x730
919D	Substring dfs and similar, dp, graphs	1700	x10238
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x28422
917D	Stranger Trees dp, math, matrices, trees	2600	x1164
917C	Pollywog combinatorics, dp, matrices	2900	x406
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3543
917A	The Monster dp, greedy, implementation, math	1800	x3529
915C	Permute Digits dp, greedy	1700	x7095
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x240
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x936
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3848
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x659
913E	Logical Expression bitmasks, dp, shortest paths	2400	x809