Problemset - Codeforces

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

#	Name
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6967
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6402
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x382
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x1004
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x7060
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x6041
518A	Vitaly and Strings constructive algorithms, strings	1600	x9234
516E	Drazil and His Happy Friends math, number theory	3100	x505
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1329
515E	Drazil and Park data structures	2300	x2148
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2867
514E	Darth Vader and Tree dp, matrices	2200	x1447
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4495
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6974
513G3	Inversions problem dp	3100	x265
513G2	Inversions problem dp, probabilities	2400	x662
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1793
513F2	Scaygerboss flows	2800	x358
513F1	Scaygerboss flows	2700	x324
513E2	Subarray Cuts dp	2700	x600
513E1	Subarray Cuts dp	2600	x496
513D2	Constrained Tree constructive algorithms, data structures	2600	x384
513D1	Constrained Tree dfs and similar	2400	x621
513C	Second price auction bitmasks, probabilities	2000	x1563
513B2	Permutations bitmasks, divide and conquer, math	1800	x2639
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x522
512D	Fox And Travelling dp, trees	2900	x983
510E	Fox And Dinner flows	2300	x2211
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5680
510C	Fox And Names dfs and similar, graphs, sortings	1600	x16561
509F	Progress Monitoring dp, trees	2300	x1084
509E	Pretty Song math, strings	2000	x1803
509D	Restoring Numbers constructive algorithms, math	2200	x760
509C	Sums of Digits dp, greedy, implementation	2000	x2102
508E	Arthur and Brackets dp, greedy	2200	x1768
508D	Tanya and Password dfs and similar, graphs	2500	x3459
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4476
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2929
507D	The Maths Lecture dp, implementation	2200	x1844
507C	Guess Your Way Out! implementation, math, trees	1700	x4384
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x760
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2185
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1410
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2552
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6444
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x941
504D	Misha and XOR bitmasks	2700	x309
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x919
501D	Misha and Permutations Summation data structures	2000	x2427
500G	New Year Running number theory, trees	3200	x157
500F	New Year Shopping divide and conquer, dp	2700	x744
500E	New Year Domino data structures, dp, dsu	2300	x1447
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3129
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5829
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8914
498E	Stairs and Lines dp, matrices	2700	x478
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1128
498C	Array and Operations flows, graph matchings, number theory	2100	x3500
498B	Name That Tune dp, probabilities, two pointers	2400	x1184
498A	Crazy Town geometry	1700	x6476
497E	Subsequences Return dp, matrices	2900	x285
497D	Gears brute force, geometry, math	2900	x231
496E	Distributing Parts greedy, sortings	2100	x1666
496D	Tennis Game binary search	1900	x3027
495B	Modular Equations math, number theory	1600	x7026
494E	Sharti data structures, games	3200	x321
494D	Birthday data structures, dfs and similar, dp, trees	2700	x530
494C	Helping People dp, probabilities	2600	x869
494B	Obsessive String dp, strings	2000	x2749
493E	Vasya and Polynomial math	2800	x485
493D	Vasya and Chess constructive algorithms, games, math	1700	x9716
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6841
492E	Vanya and Field math	2000	x1633
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3175
491C	Deciphering flows, graph matchings	2300	x418
491B	New York Hotel greedy, math	2100	x569
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1731
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1604
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2144
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9107
489F	Special Matrices combinatorics, dp	2100	x1677
489E	Hiking binary search, dp	2300	x1033
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6708
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2126
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2382
487D	Conveyor Belts data structures	2700	x903
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2799
487B	Strip binary search, data structures, dp, two pointers	2000	x3564
487A	Fight the Monster binary search, brute force, implementation	1800	x3774
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2287
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4053
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11777
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2349
484D	Kindergarten data structures, dp, greedy	2400	x2662
484C	Strange Sorting implementation, math	2600	x594
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7081
484A	Bits bitmasks, constructive algorithms	1700	x11490
483B	Friends and Presents binary search, math	1800	x4096
482E	ELCA data structures, trees	3200	x177
482D	Random Function and Tree combinatorics, dp, trees	2700	x537