Problemset - Codeforces

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Codeforces Round #744 (Div. 3)
6 days

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Difficulty: —

brute force

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Problems

#	Name
1574D	The Strongest Build brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation	2000	x2078
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x617
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x3577
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x127
1569E	Playoff Restoration bitmasks, brute force, hashing, implementation, meet-in-the-middle	2600	x514
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x14102
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x3602
1561A	Simply Strange Sort brute force, implementation, sortings	800	x13599
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x2792
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x3906
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x1636
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x8402
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x3059
1558A	Charmed by the Game brute force, math	1300	x8401
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x515
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x21144
1556C	Compressed Bracket Sequence brute force, implementation	1800	x4198
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x7260
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x12651
1555B	Two Tables brute force	1300	x10819
1555A	PizzaForces brute force, math	900	x18497
1554B	Cobb bitmasks, brute force, greedy, math	1700	x8889
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x649
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x2436
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x11854
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x9620
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x236
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x4648
1551F	Equidistant Vertices brute force, combinatorics, dfs and similar, dp, trees	2200	x1038
1551E	Fixed Points binary search, brute force, dp	2000	x2235
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x971
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x7354
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x158
1548A	Web of Lies brute force, graphs, greedy	1400	x11504
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x3452
1546A	AquaMoon and Two Arrays brute force, greedy	800	x15468
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x30
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x384
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1543
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x4198
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x15994
1540D	Inverse Inversions binary search, brute force, data structures	3200	x131
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x1574
1538A	Stone Game brute force, dp, greedy	800	x25070
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x8064
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x13259
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x17376
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x248
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x20423
1535A	Fair Playoff brute force, implementation	800	x26624
1534A	Colour the Flag brute force, implementation	800	x11200
1531E2	Сортировка слиянием special problem, special problem, brute force		x327
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x10490
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x1851
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x12072
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x195
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x1506
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x6710
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x2484
1520B	Ordinary Numbers brute force, math, number theory	800	x26873
1520A	Do Not Be Distracted! brute force, implementation	800	x30960
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x152
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x9381
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x11136
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x11972
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x118
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x16718
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x668
1512G	Short Task brute force, dp, math, number theory	1700	x5034
1512F	Education brute force, dp, greedy, implementation	1900	x4127
1512E	Permutation by Sum brute force, greedy, math	1600	x6842
1512A	Spy Detected! brute force, implementation	800	x29672
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x392
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x223
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x7821
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x15727
1510K	King's Task brute force, graphs, implementation	1200	x3748
1508F	Optimal Encoding brute force, data structures	3500	x75
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x209
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x895
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x3001
1506C	Double-ended Strings brute force, implementation, strings	1000	x17179
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x506
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1510
1500A	Going Home brute force, hashing, implementation, math	1800	x6643
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x9228
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x15637
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1442
1498C	Planar Reflections brute force, data structures, dp	1600	x6790
1498A	GCD Sum brute force, math	800	x17714
1497A	Meximization brute force, data structures, greedy, sortings	800	x19043
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x15949
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x157
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x248
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x10633
1494A	ABC String bitmasks, brute force, implementation	900	x16263
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x3325
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x3509
1493B	Planet Lapituletti brute force, implementation	1300	x9728
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x971

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