Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
06:51:02
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Problems

#	Name
1509C	The Sports Festival dp, greedy	1800	x12495
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x3977
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1795
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x789
1500A	Going Home brute force, hashing, implementation, math	1800	x8801
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x7154
1488B	RBS Deletion *special problem, greedy	1800	x558
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5895
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10109
1468J	Road Reform dsu, graphs, greedy	1800	x4252
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x7284
1463C	Busy Robot implementation	1800	x5642
1462F	The Treasure of The Segments binary search, data structures, greedy	1800	x6945
1450D	Rating Compression binary search, data structures, greedy, implementation, two pointers	1800	x5467
1446B	Catching Cheaters dp, strings	1800	x7818
1442B	Identify the Operations combinatorics, data structures, dsu, greedy, implementation	1800	x4472
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8845
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10455
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7400
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7557
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7809
1402A	Fancy Fence *special problem, data structures, dsu, implementation, math, sortings	1800	x1186
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x9289
1398D	Colored Rectangles dp, greedy, sortings	1800	x11455
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x11354
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6756
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9702
1381B	Unmerge dp	1800	x8883
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x8320
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10629
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8443
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x8339
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x7286
1329A	Dreamoon Likes Coloring constructive algorithms, greedy, implementation, math	1800	x9097
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x13138
1327E	Count The Blocks combinatorics, dp, math	1800	x8926
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x10123
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9928
1316C	Primitive Primes constructive algorithms, math, ternary search	1800	x7274
1304D	Shortest and Longest LIS constructive algorithms, graphs, greedy, two pointers	1800	x6313
1299B	Aerodynamic geometry	1800	x5237
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7462
1295D	Same GCDs math, number theory	1800	x8864
1290B	Irreducible Anagrams binary search, constructive algorithms, data structures, strings, two pointers	1800	x5408
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x4688
1286A	Garland dp, greedy, sortings	1800	x8788
1283E	New Year Parties dp, greedy	1800	x6536
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x7771
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4302
1280B	Beingawesomeism implementation, math	1800	x3929
1267L	Lexicography constructive algorithms, strings	1800	x3036
1267J	Just Arrange the Icons greedy, implementation, math	1800	x2808
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x4642
1252H	Twin Buildings greedy, implementation	1800	x2627
1250J	The Parade binary search, greedy	1800	x2929
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2605
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x5226
1249D1	Too Many Segments (easy version) greedy	1800	x5091
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7545
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4318
1225D	Power Products hashing, math, number theory	1800	x7951
1221D	Make The Fence Great Again dp	1800	x9034
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x7201
1208C	Magic Grid constructive algorithms	1800	x5997
1207D	Number Of Permutations combinatorics	1800	x6071
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3723
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4652
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6424
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6350
1186C	Vus the Cossack and Strings implementation, math	1800	x6100
1179B	Tolik and His Uncle constructive algorithms	1800	x4359
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x2553
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5268
1172A	Nauuo and Cards greedy, implementation	1800	x4969
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6209
1154E	Two Teams data structures, implementation, sortings	1800	x6250
1152C	Neko does Maths brute force, math, number theory	1800	x6651
1151C	Problem for Nazar constructive algorithms, math	1800	x5331
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4963
1138B	Circus brute force, greedy, math, strings	1800	x4018
1136D	Nastya Is Buying Lunch greedy	1800	x3804
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5451
1129A2	Toy Train brute force, greedy	1800	x4093
1119D	Frets On Fire binary search, sortings	1800	x4819
1118F1	Tree Cutting (Easy Version) dfs and similar, trees	1800	x5911
1109B	Sasha and One More Name constructive algorithms, hashing, strings	1800	x4347
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4524
1107D	Compression dp, implementation, math, number theory	1800	x3721
1096D	Easy Problem dp	1800	x8036
1090D	Similar Arrays constructive algorithms	1800	x2052
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5396
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3791
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x4036
1077E	Thematic Contests greedy, sortings	1800	x4666
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x5153
1073C	Vasya and Robot binary search, two pointers	1800	x4708
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2657
1066D	Boxes Packing binary search, implementation	1800	x5451
1063B	Labyrinth graphs, shortest paths	1800	x7387
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3941