Problemset - Codeforces

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CodeCraft-22 and Codeforces Round #795 (Div. 2)
3 days

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Difficulty: —

bitmasks

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Problems

#	Name
579A	Raising Bacteria bitmasks	1000	x36248
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x27308
1527A	And Then There Were K bitmasks	800	x25782
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x21784
1421A	XORwice bitmasks, greedy, math	800	x21023
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x20512
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x17914
1494A	ABC String bitmasks, brute force, implementation	900	x17890
1635A	Min Or Sum bitmasks, greedy	800	x17775
1420B	Rock and Lever bitmasks, math	1200	x17579
1567B	MEXor Mixup bitmasks, greedy	1000	x17336
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x17042
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x16455
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x16272
1632B	Roof Construction bitmasks, constructive algorithms	1000	x16259
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x16183
1625A	Ancient Civilization bitmasks, greedy, math	800	x15061
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x14640
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x14575
1594B	Special Numbers bitmasks, math	1100	x14399
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x14367
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x14254
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x13833
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x13826
550B	Preparing Olympiad bitmasks, brute force	1400	x13593
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x13429
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x12972
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x12859
1634B	Fortune Telling bitmasks, math	1400	x12364
1095C	Powers Of Two bitmasks, greedy	1400	x11977
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x11957
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x11902
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x11900
1270C	Make Good bitmasks, constructive algorithms, math	1400	x11596
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x11478
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x11278
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x11201
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x11149
1630A	And Matching bitmasks, constructive algorithms	1500	x10832
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x10663
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x10610
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x10544
1554B	Cobb bitmasks, brute force, greedy, math	1700	x10221
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x9967
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x9842
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x9655
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x9611
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x9479
1669H	Maximal AND bitmasks, greedy, math	1300	x9160
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x9142
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x9142
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x9040
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x8941
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x8888
484A	Bits bitmasks, constructive algorithms	1700	x8440
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x8330
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x7928
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x7866
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x7826
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x7581
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x7576
1225C	p-binary bitmasks, brute force, math	1600	x7559
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x7304
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x7264
913C	Party Lemonade bitmasks, dp, greedy	1600	x6998
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x6983
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x6933
580D	Kefa and Dishes bitmasks, dp	1800	x6895
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x6851
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x6756
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x6728
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x6570
1658D1	388535 (Easy Version) bitmasks, math	1600	x6366
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x6325
224B	Array bitmasks, implementation, two pointers	1500	x6110
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x5917
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x5854
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x5775
1051D	Bicolorings bitmasks, dp	1700	x5759
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x5678
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x5670
1303D	Fill The Bag bitmasks, greedy	1900	x5580
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x5540
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x5423
242E	XOR on Segment bitmasks, data structures	2000	x5361
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x5320
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x5281
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x5198
1288D	Minimax Problem binary search, bitmasks, dp	2000	x5194
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x4936
961C	Chessboard bitmasks, brute force, implementation	1400	x4812
878A	Short Program bitmasks, constructive algorithms	1600	x4745
1207E	XOR Guessing bitmasks, interactive, math	1900	x4681
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x4665
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x4640
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x4613
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x4586
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x4341
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x4320
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x4158

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