Problemset - Codeforces

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Problems

#	Name
521E	Cycling City dfs and similar, graphs	3100	x964
521D	Shop greedy	2800	x1532
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1840
520D	Cubes games, greedy, implementation	2100	x1538
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6618
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x359
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x916
516E	Drazil and His Happy Friends math, number theory	3100	x491
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1246
515E	Drazil and Park data structures	2300	x2076
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2827
514E	Darth Vader and Tree dp, matrices	2200	x1403
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4227
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6678
513G3	Inversions problem dp	3100	x260
513G2	Inversions problem dp, probabilities	2400	x640
513F2	Scaygerboss flows	2800	x336
513F1	Scaygerboss flows	2700	x311
513E2	Subarray Cuts dp	2700	x559
513E1	Subarray Cuts dp	2600	x473
513D2	Constrained Tree constructive algorithms, data structures	2600	x370
513D1	Constrained Tree dfs and similar	2400	x543
513C	Second price auction bitmasks, probabilities	2000	x1527
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x507
512D	Fox And Travelling dp, trees	2900	x949
510E	Fox And Dinner flows	2300	x2168
509F	Progress Monitoring dp, trees	2300	x925
509E	Pretty Song math, strings	2000	x1780
509D	Restoring Numbers constructive algorithms, math	2200	x739
509C	Sums of Digits dp, greedy, implementation	2000	x2046
508E	Arthur and Brackets dp, greedy	2200	x1735
508D	Tanya and Password dfs and similar, graphs	2500	x3318
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2819
507D	The Maths Lecture dp, implementation	2200	x1719
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x712
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2058
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1359
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2490
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x891
504D	Misha and XOR bitmasks	2700	x300
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x771
501D	Misha and Permutations Summation data structures	2000	x2371
500G	New Year Running number theory, trees	3200	x157
500F	New Year Shopping divide and conquer, dp	2700	x707
500E	New Year Domino data structures, dp, dsu	2300	x1410
498E	Stairs and Lines dp, matrices	2700	x454
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1101
498C	Array and Operations flows, graph matchings, number theory	2100	x3364
498B	Name That Tune dp, probabilities, two pointers	2400	x1155
497E	Subsequences Return dp, matrices	2900	x284
497D	Gears brute force, geometry, math	2900	x226
496E	Distributing Parts greedy, sortings	2100	x1646
494E	Sharti data structures, games	3200	x311
494D	Birthday data structures, dfs and similar, dp, trees	2700	x521
494C	Helping People dp, probabilities	2600	x845
494B	Obsessive String dp, strings	2000	x2630
493E	Vasya and Polynomial math	2800	x481
492E	Vanya and Field math	2000	x1596
491C	Deciphering flows, graph matchings	2300	x406
491B	New York Hotel greedy, math	2100	x541
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1603
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1585
489F	Special Matrices combinatorics, dp	2100	x1651
489E	Hiking binary search, dp	2300	x1007
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2251
487D	Conveyor Belts data structures	2700	x861
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2715
487B	Strip binary search, data structures, dp, two pointers	2000	x3416
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2185
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3919
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2224
484D	Kindergarten data structures, dp, greedy	2400	x2518
484C	Strange Sorting implementation, math	2600	x587
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6888
482E	ELCA data structures, trees	3200	x176
482D	Random Function and Tree combinatorics, dp, trees	2700	x525
482C	Game with Strings bitmasks, dp, probabilities	2600	x891
480E	Parking Lot data structures, divide and conquer	2800	x530
480D	Parcels dp, graphs	2600	x458
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x219
478D	Red-Green Towers dp	2000	x5565
477E	Dreamoon and Notepad data structures	3100	x133
477D	Dreamoon and Binary dp, strings	2700	x520
476E	Dreamoon and Strings dp, strings	2200	x1822
475F	Meta-universe data structures	2900	x227
475E	Strongly Connected City 2 dfs and similar	2700	x406
475D	CGCDSSQ brute force, data structures, math	2000	x4678
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x779
474F	Ant colony data structures, math, number theory	2100	x8247
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3222
474C	Captain Marmot brute force, geometry	2000	x3090
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x396
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x250
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x131
471E	MUH and Lots and Lots of Segments data structures, dsu	2700	x81
470H	Array Sorting *special problem	2300	x188
470G	Hamming Distance *special problem	2300	x95
470F	Pairwise Sums *special problem	2300	x104
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x312
468D	Tree graph matchings	3100	x359