Problemset - Codeforces

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Codeforces Round #727 (Div. 2)
26:22:06
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bitmasks

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Problems

#	Name
579A	Raising Bacteria bitmasks	1000	x28551
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x22845
1527A	And Then There Were K bitmasks	800	x20544
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x18369
1421A	XORwice bitmasks, greedy, math	800	x17432
1494A	ABC String bitmasks, brute force, implementation	900	x15393
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x14830
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x14460
1420B	Rock and Lever bitmasks, math	1200	x14359
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x14295
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x12890
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x12705
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x12229
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x11783
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x11512
550B	Preparing Olympiad bitmasks, brute force	1400	x11268
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x10760
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x10416
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x10405
1270C	Make Good bitmasks, constructive algorithms, math	1400	x10153
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x9974
1095C	Powers Of Two bitmasks, greedy	1400	x9932
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x9739
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x9524
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x9418
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x8732
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x8664
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x8429
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x8395
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x8259
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x8099
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x7665
484A	Bits bitmasks, constructive algorithms	1700	x7481
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x7239
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x7224
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x7151
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x7134
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x7070
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x6746
1225C	p-binary bitmasks, brute force, math	1600	x6694
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x6554
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x6423
913C	Party Lemonade bitmasks, dp, greedy	1600	x6399
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x6358
580D	Kefa and Dishes bitmasks, dp	1800	x6115
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x5761
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x5743
224B	Array bitmasks, implementation, two pointers	1500	x5320
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x5312
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x5295
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x5169
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x5159
1051D	Bicolorings bitmasks, dp	1700	x5053
1303D	Fill The Bag bitmasks, greedy	1900	x4995
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x4945
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x4813
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x4654
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x4541
961C	Chessboard bitmasks, brute force, implementation	1400	x4510
1288D	Minimax Problem binary search, bitmasks, dp	2000	x4501
878A	Short Program bitmasks, constructive algorithms	1600	x4446
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x4325
242E	XOR on Segment bitmasks, data structures	2000	x4247
1207E	XOR Guessing bitmasks, interactive, math	1900	x4234
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x3841
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x3685
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x3684
1174D	Ehab and the Expected XOR Problem bitmasks, constructive algorithms	1900	x3645
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x3630
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x3590
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x3559
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x3495
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x3469
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x3331
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x3306
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x3287
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x3249
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3189
1144E	Median String bitmasks, math, number theory, strings	1900	x3116
243A	The Brand New Function bitmasks	1600	x3059
1220D	Alex and Julian bitmasks, math, number theory	1900	x3026
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x3013
1331C	...And after happily lived ever they *special problem, bitmasks		x2921
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x2893
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x2839
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x2780
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x2769
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x2758
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x2748
620E	New Year Tree bitmasks, data structures, trees	2100	x2735
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x2711
1017D	The Wu bitmasks, brute force, data structures	1900	x2694
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x2693
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x2657
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2646
981D	Bookshelves bitmasks, dp, greedy	1900	x2528
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x2511
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x2406
513B2	Permutations bitmasks, divide and conquer, math	1800	x2375
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x2373

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