Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
35:27:19
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brute force

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Problems

#	Name
1574D	The Strongest Build binary search, brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation	2000	x4374
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x1752
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8582
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x323
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x230
1569E	Playoff Restoration bitmasks, brute force, hashing, implementation, meet-in-the-middle	2600	x787
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19219
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5406
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16463
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4223
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5948
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x2542
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13301
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4629
1558A	Charmed by the Game brute force, math	1300	x10944
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x694
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27532
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5670
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11828
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x21003
1555B	Two Tables brute force	1300	x15685
1555A	PizzaForces brute force, math	900	x27406
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12493
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x982
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x3249
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17393
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13869
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x455
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6732
1551F	Equidistant Vertices brute force, combinatorics, dfs and similar, dp, trees	2200	x1759
1551E	Fixed Points binary search, brute force, dp	2000	x3723
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1451
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9970
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x239
1548A	Web of Lies brute force, graphs, greedy	1400	x16085
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x5569
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18102
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x106
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x590
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1952
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5197
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x26786
1540D	Inverse Inversions binary search, brute force, data structures	3200	x265
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2504
1538A	Stone Game brute force, dp, greedy	800	x35938
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12358
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17861
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20066
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x440
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29749
1535A	Fair Playoff brute force, implementation	800	x46858
1534A	Colour the Flag brute force, implementation	800	x12625
1531E2	Сортировка слиянием special problem, special problem, brute force		x332
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14287
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2360
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21398
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x319
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2088
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8612
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x3524
1520B	Ordinary Numbers brute force, math, number theory	800	x43149
1520A	Do Not Be Distracted! brute force, implementation	800	x50002
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x391
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14656
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x16113
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18257
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x218
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24257
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1205
1512G	Short Task brute force, dp, math, number theory	1700	x7863
1512F	Education brute force, dp, greedy, implementation	1900	x5978
1512E	Permutation by Sum brute force, greedy, math	1600	x10069
1512A	Spy Detected! brute force, implementation	800	x60501
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x704
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x419
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11095
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22374
1510K	King's Task brute force, graphs, implementation	1200	x5289
1508F	Optimal Encoding brute force, data structures	3500	x118
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x329
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x1431
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4115
1506C	Double-ended Strings brute force, implementation, strings	1000	x23612
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x769
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1997
1500A	Going Home brute force, hashing, implementation, math	1800	x8583
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12378
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20335
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1845
1498C	Planar Reflections brute force, data structures, dp	1600	x9277
1498A	GCD Sum brute force, math	800	x22710
1497A	Meximization brute force, data structures, greedy, sortings	800	x23942
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20342
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x407
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x332
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14013
1494A	ABC String bitmasks, brute force, implementation	900	x20468
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4770
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4476
1493B	Planet Lapituletti brute force, implementation	1300	x11641