Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
16:10:01
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
703D	Mishka and Interesting sum data structures	2100	x3321
703C	Chris and Road geometry, implementation	2100	x1580
702E	Analysis of Pathes in Functional Graph data structures, graphs	2100	x2262
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2046
690D3	The Wall (hard) dp	2100	x489
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1806
689D	Friends and Subsequences binary search, data structures	2100	x3055
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1717
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x1826
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3415
671B	Robin Hood binary search, greedy	2000	x2966
666B	World Tour graphs, shortest paths	2000	x2063
665E	Beautiful Subarrays data structures, divide and conquer, strings, trees	2100	x2854
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1616
661E	Divisibility Check *special problem	2000	x78
661D	Maximal Difference *special problem	2100	x124
661C	Array Sum *special problem	2000	x126
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1748
656E	Out of Controls *special problem	2000	x716
656D	Rosetta Problem *special problem	2100	x938
656C	Without Text *special problem	2000	x675
649E	Автобус binary search, data structures, greedy, sortings	2100	x103
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x908
641E	Little Artem and Time Machine data structures	2000	x2905
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2558
632D	Longest Subsequence brute force, math, number theory	2100	x3362
631D	Messenger data structures, hashing, implementation, string suffix structures, strings	2100	x1983
630P	Area of a Star geometry	2100	x1056
630O	Arrow geometry	2000	x722
629D	Babaei and Birthday Cake data structures, dp	2000	x3860
629C	Famil Door and Brackets dp, strings	2000	x2733
621E	Wet Shark and Blocks dp, matrices	2000	x2714
620E	New Year Tree bitmasks, data structures, trees	2100	x5164
615E	Hexagons binary search, implementation, math	2100	x962
615D	Multipliers math, number theory	2000	x3782
615C	Running Track dp, greedy, strings, trees	2000	x2251
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2510
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x6910
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2550
601B	Lipshitz Sequence data structures, math	2100	x2001
600D	Area of Two Circles' Intersection geometry	2000	x2133
598E	Chocolate Bar brute force, dp	2000	x4453
590B	Chip 'n Dale Rescue Rangers binary search, geometry, math	2100	x1693
587B	Duff in Beach dp	2100	x1376
578C	Weakness and Poorness ternary search	2000	x4264
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3221
576B	Invariance of Tree constructive algorithms, dfs and similar, greedy, trees	2100	x1572
575F	Bulbo dp, greedy	2100	x983
571B	Minimization dp, greedy, sortings	2000	x2522
571A	Lengthening Sticks combinatorics, implementation, math	2100	x2006
557D	Vitaly and Cycle combinatorics, dfs and similar, graphs, math	2000	x2132
555B	Case of Fugitive data structures, greedy, sortings	2000	x3681
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1408
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1722
549H	Degenerate Matrix binary search, math	2100	x1785
546E	Soldier and Traveling flows, graphs, math	2100	x3439
545E	Paths and Trees graphs, greedy, shortest paths	2000	x4376
543B	Destroying Roads constructive algorithms, graphs, shortest paths	2100	x3829
542F	Quest dp, greedy	2100	x734
542C	Idempotent functions constructive algorithms, graphs, math	2000	x1096
540E	Infinite Inversions binary search, data structures, implementation, sortings, trees	2100	x2005
540C	Ice Cave dfs and similar	2000	x6986
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2299
530H	Points in triangle *special problem, geometry	2100	x119
530G	Levenshtein distance *special problem	2100	x146
530F	Jumping frogs *special problem	2100	x97
526C	Om Nom and Candies brute force, greedy, math	2000	x2261
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x2722
524D	Social Network greedy, two pointers	2100	x939
522D	Closest Equals *special problem, data structures	2000	x2939
522C	Chicken or Fish? greedy	2100	x706
520D	Cubes games, greedy, implementation	2100	x1532
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6161
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2759
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4105
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6448
513C	Second price auction bitmasks, probabilities	2000	x1516
509E	Pretty Song math, strings	2000	x1768
509C	Sums of Digits dp, greedy, implementation	2000	x1995
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2589
501D	Misha and Permutations Summation data structures	2000	x2321
498C	Array and Operations flows, graph matchings, number theory	2100	x3272
496E	Distributing Parts greedy, sortings	2100	x1624
494B	Obsessive String dp, strings	2000	x2567
492E	Vanya and Field math	2000	x1585
491B	New York Hotel greedy, math	2100	x535
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1516
489F	Special Matrices combinatorics, dp	2100	x1595
487B	Strip binary search, data structures, dp, two pointers	2000	x3344
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3850
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6768
478D	Red-Green Towers dp	2000	x5451
475D	CGCDSSQ brute force, data structures, math	2000	x4446
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x777
474F	Ant colony data structures, math, number theory	2100	x7639
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3091
474C	Captain Marmot brute force, geometry	2000	x3061
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3791
466E	Information Graph dfs and similar, dsu, graphs, trees	2100	x2055
466D	Increase Sequence combinatorics, dp	2100	x2831