Problemset - Codeforces

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brute force

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Problems

#	Name
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4607
1558A	Charmed by the Game brute force, math	1300	x10921
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x688
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27457
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5649
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11737
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20850
1555B	Two Tables brute force	1300	x15615
1555A	PizzaForces brute force, math	900	x27260
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12404
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x972
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x3236
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17293
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13813
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x449
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6683
1551F	Equidistant Vertices brute force, combinatorics, dfs and similar, dp, trees	2200	x1745
1551E	Fixed Points binary search, brute force, dp	2000	x3680
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1439
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9931
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x237
1548A	Web of Lies brute force, graphs, greedy	1400	x16013
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x5491
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18073
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x103
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x583
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1944
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5180
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x26446
1540D	Inverse Inversions binary search, brute force, data structures	3200	x262
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2486
1538A	Stone Game brute force, dp, greedy	800	x35725
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12239
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17699
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20034
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x437
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29579
1535A	Fair Playoff brute force, implementation	800	x46327
1534A	Colour the Flag brute force, implementation	800	x12577
1531E2	Сортировка слиянием special problem, special problem, brute force		x331
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14230
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2353
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21179
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x317
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2082
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8581
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x3492
1520B	Ordinary Numbers brute force, math, number theory	800	x42788
1520A	Do Not Be Distracted! brute force, implementation	800	x49608
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x387
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14570
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x15945
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18067
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x212
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24123
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1198
1512G	Short Task brute force, dp, math, number theory	1700	x7795
1512F	Education brute force, dp, greedy, implementation	1900	x5930
1512E	Permutation by Sum brute force, greedy, math	1600	x10008
1512A	Spy Detected! brute force, implementation	800	x59885
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x699
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x417
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11035
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22122
1510K	King's Task brute force, graphs, implementation	1200	x5270
1508F	Optimal Encoding brute force, data structures	3500	x117
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x327
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x1421
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4093
1506C	Double-ended Strings brute force, implementation, strings	1000	x23358
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x763
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1984
1500A	Going Home brute force, hashing, implementation, math	1800	x8537
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12325
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20244
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1838
1498C	Planar Reflections brute force, data structures, dp	1600	x9168
1498A	GCD Sum brute force, math	800	x22647
1497A	Meximization brute force, data structures, greedy, sortings	800	x23868
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20258
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x406
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x327
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x13933
1494A	ABC String bitmasks, brute force, implementation	900	x20405
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4736
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4458
1493B	Planet Lapituletti brute force, implementation	1300	x11619
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x1163
1491I	Ruler Of The Zoo brute force, data structures	3500	x73
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x2042
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7713
1491B	Minimal Cost brute force, math	1200	x13567
1491A	K-th Largest Value brute force, greedy, implementation	800	x18033
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31358
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25579
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x398
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4364
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x17003
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13680
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2792