Problemset - Codeforces

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Codeforces Round 952 (Div. 4)
33:31:06
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bitmasks

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Problems

#	Name
1592E	Bored Bakry bitmasks, greedy, math, two pointers	2400	x1552
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7680
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x859
1583F	Defender of Childhood Dreams bitmasks, constructive algorithms, divide and conquer	2500	x1230
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5318
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x328
1569E	Playoff Restoration bitmasks, brute force, hashing, implementation, meet-in-the-middle	2600	x787
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11901
1567B	MEXor Mixup bitmasks, greedy	1000	x21826
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17127
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19202
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4230
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5963
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x29239
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8375
1556G	Gates to Another World bitmasks, data structures, dsu, two pointers	3300	x310
1556F	Sports Betting bitmasks, combinatorics, dp, graphs, math, probabilities	2500	x1182
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6612
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x8626
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12511
1553H	XOR and Distance bitmasks, divide and conquer, trees	2900	x676
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17419
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x459
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6751
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1454
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1435
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16197
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x397
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7473
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5202
1533H	Submatrices *special problem, bitmasks, data structures, dp		x81
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x754
1527A	And Then There Were K bitmasks	800	x34292
1523F	Favorite Game bitmasks, dp	3300	x405
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2092
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x392
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11592
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18343
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x218
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x23258
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x13956
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x708
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x1433
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x773
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x858
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x16295
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1492
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14035
1494A	ABC String bitmasks, brute force, implementation	900	x20491
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x379
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x869
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x5959
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6945
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x974
1479C	Continuous City bitmasks, constructive algorithms	2500	x1261
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2258
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6192
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x1861
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2803
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x7067
1463F	Max Correct Set bitmasks, dp, math	3100	x557
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18889
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2878
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4240
1450G	Communism bitmasks, dp, trees	3500	x235
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3412
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x216
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x1298
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4084
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x635
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1273
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x740
1423I	Lookup Tables bitmasks	3000	x103
1421A	XORwice bitmasks, greedy, math	800	x27573
1420B	Rock and Lever bitmasks, math	1200	x24114
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4208
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5223
1411G	No Game No Life bitmasks, games, math, matrices	2700	x581
1411E	Poman Numbers bitmasks, greedy, math, strings	2300	x1560
1401F	Reverse and Swap binary search, bitmasks, data structures	2400	x1543
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x909
1398G	Running Competition bitmasks, fft, math, number theory	2600	x779
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13593
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x450
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3260
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4958
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x436
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18494
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x564
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x4784
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11288
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x924
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1119
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x17230
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x18482
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1394
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4331
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11946
1342F	Make It Ascending bitmasks, brute force, dp	3000	x693
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7632