Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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brute force

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Problems

#	Name
1475B	New Year's Number brute force, dp, math	900	x46207
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12165
1473B	String LCM brute force, math, number theory, strings	1000	x29569
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2929
1471B	Strange List brute force, greedy, implementation, math	1100	x19089
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1302
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x1848
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9124
1468K	The Robot brute force, implementation	1600	x4953
1467B	Hills And Valleys brute force, implementation	1700	x10693
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6926
1466A	Bovine Dilemma brute force, geometry, math	800	x22254
1462C	Unique Number brute force, greedy, math	900	x31108
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2059
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8882
1461B	Find the Spruce brute force, dp, implementation	1400	x12344
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1424
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4072
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1481
1450B	Balls of Steel brute force, geometry, greedy	1000	x14858
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x130
1444A	Division brute force, math, number theory	1500	x12522
1443E	Long Permutation brute force, math, two pointers	2400	x1221
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x1290
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17812
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4090
1431H	Rogue-like Game *special problem, brute force, greedy, two pointers	2600	x63
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20438
1428C	ABBB brute force, data structures, greedy, strings	1100	x19596
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7210
1421E	Swedish Heroes brute force, dp, implementation	2700	x669
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4046
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14639
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15937
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5155
1415C	Bouncing Ball brute force, dp, implementation	1400	x10628
1415B	Repainting Street brute force, brute force, greedy	1100	x11991
1415A	Prison Break brute force, math	800	x14915
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5524
1411D	Grime Zoo brute force, greedy, implementation, strings	2100	x2421
1411B	Fair Numbers brute force, number theory	1000	x17686
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x22705
1409B	Minimum Product brute force, greedy, math	1100	x28192
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4154
1407B	Big Vova brute force, greedy, math, number theory	1300	x16658
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22000
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x890
1400F	x-prime Substrings brute force, dfs and similar, dp, string suffix structures, strings	2800	x767
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x9769
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16702
1400B	RPG Protagonist brute force, greedy, math	1700	x10823
1399C	Boats Competition brute force, greedy, two pointers	1200	x27684
1397B	Power Sequence brute force, math, number theory, sortings	1500	x14336
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x10841
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13482
1395A	Boboniu Likes to Color Balls brute force, math	1000	x23404
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x1782
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4916
1391B	Fix You brute force, greedy, implementation	800	x25966
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4021
1389C	Good String brute force, dp, greedy, two pointers	1500	x18307
1389B	Array Walk brute force, dp, greedy	1600	x15746
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24523
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18276
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3830
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x638
1382A	Common Subsequence brute force	800	x26028
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19845
1380A	Three Indices brute force, data structures	900	x23083
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1056
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5395
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12461
1379A	Acacius and String brute force, implementation, strings	1500	x11596
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1637
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8700
1374F	Cyclic Shifts Sorting brute force, constructive algorithms, implementation, sortings	2400	x1254
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2691
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5284
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4947
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x18978
1368A	C+= brute force, greedy, implementation, math	800	x36611
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5121
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3950
1365E	Maximum Subsequence Value brute force, constructive algorithms	1900	x7482
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12656
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26715
1363A	Odd Selection brute force, implementation, math	1200	x34251
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x18262
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4275
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11815
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x348
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27027
1359A	Berland Poker brute force, greedy, math	1000	x28709
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x7996
1355A	Sequence with Digits brute force, implementation, math	1200	x25430
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5799
1353F	Decreasing Heights brute force, dp	2200	x3050
1353E	K-periodic Garland brute force, dp, greedy	1900	x6759
1352E	Special Elements brute force, implementation, two pointers	1500	x19191
1351B	Square? brute force, implementation, math	900	x16421