Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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Problems

#	Name
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5239
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5710
455A	Boredom dp	1500	x54773
454B	Little Pony and Sort by Shift implementation	1200	x17880
454A	Little Pony and Crystal Mine implementation	800	x14557
453E	Little Pony and Lord Tirek data structures	3100	x660
453D	Little Pony and Elements of Harmony dp, matrices	3000	x461
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1572
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4543
453A	Little Pony and Expected Maximum probabilities	1600	x10010
452F	Permutation data structures, divide and conquer, hashing	2700	x1376
452E	Three strings data structures, dsu, string suffix structures, strings	2400	x1040
452D	Washer, Dryer, Folder greedy, implementation	1900	x1475
452C	Magic Trick combinatorics, math, probabilities	2100	x1448
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1981
452A	Eevee brute force, implementation, strings	1000	x7910
451E	Devu and Flowers bitmasks, combinatorics, number theory	2300	x3346
451D	Count Good Substrings math	2000	x4649
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3302
451B	Sort the Array implementation, sortings	1300	x43404
451A	Game With Sticks implementation	900	x63120
450B	Jzzhu and Sequences implementation, math	1300	x25462
450A	Jzzhu and Children implementation	1000	x32789
449E	Jzzhu and Squares dp, math, number theory	2900	x284
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4124
449C	Jzzhu and Apples constructive algorithms, number theory	2500	x2203
449B	Jzzhu and Cities graphs, greedy, shortest paths	2000	x8085
449A	Jzzhu and Chocolate greedy, math	1700	x3872
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1450
448D	Multiplication Table binary search, brute force	1800	x13368
448C	Painting Fence divide and conquer, dp, greedy	1900	x7850
448B	Suffix Structures implementation, strings	1400	x15695
448A	Rewards implementation	800	x23949
447B	DZY Loves Strings greedy, implementation	1000	x20008
447A	DZY Loves Hash implementation	800	x9398
446E	DZY Loves Bridges math, matrices	3100	x120
446D	DZY Loves Games math, matrices, probabilities	2800	x380
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3191
446B	DZY Loves Modification brute force, data structures, greedy	2000	x3518
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12278
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12165
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28408
444E	DZY Loves Planting binary search, dsu, trees	2700	x746
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x756
444C	DZY Loves Colors data structures	2400	x2785
444B	DZY Loves FFT probabilities	2300	x1054
444A	DZY Loves Physics greedy, math	1600	x3371
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x3992
443A	Anton and Letters constructive algorithms, implementation	800	x84724
442E	Gena and Second Distance geometry	3100	x170
442D	Adam and Tree data structures, trees	2600	x957
442C	Artem and Array data structures, greedy	2500	x1625
442B	Andrey and Problem greedy, math, probabilities	1800	x4861
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2098
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x679
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1064
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10880
441B	Valera and Fruits greedy, implementation	1400	x6954
441A	Valera and Antique Items implementation	1000	x18245
440D	Berland Federalization dp, trees	2200	x629
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x894
440B	Balancer greedy, implementation	1600	x1921
440A	Forgotten Episode implementation	800	x7124
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1499
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5839
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3802
439B	Devu, the Dumb Guy implementation, sortings	1200	x14075
439A	Devu, the Singer and Churu, the Joker greedy, implementation	900	x24929
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1803
438D	The Child and Sequence data structures, math	2300	x7956
437E	The Child and Polygon dp, geometry	2500	x691
437D	The Child and Zoo dsu, sortings	1900	x3186
437C	The Child and Toy graphs, greedy, sortings	1400	x13553
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9217
437A	The Child and Homework implementation	1300	x8894
436F	Banners brute force, data structures, dp	3000	x360
436E	Cardboard Box data structures, greedy	2600	x1267
436D	Pudding Monsters dp	2800	x318
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2584
436B	Om Nom and Spiders implementation, math	1400	x3044
436A	Feed with Candy greedy	1500	x3408
435E	Special Graph	2500	x233
435D	Special Grid brute force, dp, greedy	2000	x748
435C	Cardiogram implementation	1600	x2539
435B	Pasha Maximizes greedy	1400	x6776
435A	Queue on Bus Stop implementation	1000	x9993
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x254
434D	Nanami's Power Plant flows	2900	x401
433E	Tachibana Kanade's Tofu dp	2500	x473
433D	Nanami's Digital Board dsu, implementation	2000	x1038
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2401
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36735
433A	Kitahara Haruki's Gift brute force, implementation	1100	x15830
432E	Square Tiling constructive algorithms, greedy	2300	x664
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8376
432C	Prime Swaps greedy, sortings	1800	x2443
432B	Football Kit brute force, greedy, implementation	1200	x11512
432A	Choosing Teams greedy, implementation, sortings	800	x57047
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x907
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2147