Problemset - Codeforces

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Educational Codeforces Round 168 (Rated for Div. 2)
24:13:15
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Problems

#	Name
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16510
1560C	Infinity Table implementation, math	800	x26367
1560B	Who's Opposite? math	800	x35227
1560A	Dislike of Threes implementation	800	x57969
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27734
1556A	A Variety of Operations math	800	x18009
1554A	Cherry greedy	800	x29008
1553A	Digits Sum math, number theory	800	x30650
1552A	Subsequence Permutation sortings, strings	800	x23690
1551B1	Wonderful Coloring - 1 greedy, strings	800	x28977
1551A	Polycarp and Coins greedy, math	800	x49769
1550A	Find The Array greedy, math	800	x27884
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24104
1549A	Gregor and Cryptography math, number theory	800	x32011
1547B	Alphabetical Strings greedy, implementation, strings	800	x26192
1547A	Shortest Path with Obstacle implementation, math	800	x30212
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18158
1542A	Odd Set math	800	x43812
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29228
1539B	Love Song dp, implementation, strings	800	x24177
1538B	Friends and Candies greedy, math	800	x31453
1538A	Stone Game brute force, dp, greedy	800	x36364
1537A	Arithmetic Array greedy, math	800	x36714
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20133
1535A	Fair Playoff brute force, implementation	800	x47990
1534A	Colour the Flag brute force, implementation	800	x12665
1530B	Putting Plates constructive algorithms, implementation	800	x15738
1530A	Binary Decimal greedy, math	800	x20965
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29592
1527A	And Then There Were K bitmasks	800	x34902
1526A	Mean Inequality constructive algorithms, sortings	800	x24035
1525A	Potion-making math, number theory	800	x25237
1523A	Game of Life implementation	800	x13444
1520B	Ordinary Numbers brute force, math, number theory	800	x43741
1520A	Do Not Be Distracted! brute force, implementation	800	x50861
1519B	The Cake Is a Lie dp, math	800	x30495
1519A	Red and Blue Beans math	800	x28535
1517A	Sum of 2050 greedy, math	800	x25376
1516A	Tit for Tat greedy	800	x23255
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20133
1514A	Perfectly Imperfect Array math, number theory	800	x23958
1513A	Array and Peaks constructive algorithms, implementation	800	x19260
1512B	Almost Rectangle implementation	800	x25203
1512A	Spy Detected! brute force, implementation	800	x62021
1511A	Review Site greedy	800	x27389
1509A	Average Height constructive algorithms	800	x25866
1506A	Strange Table math	800	x30378
1504A	Déjà Vu constructive algorithms, strings	800	x21556
1501A	Alexey and Train implementation	800	x11554
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21099
1498A	GCD Sum brute force, math	800	x22993
1497A	Meximization brute force, data structures, greedy, sortings	800	x24113
1493A	Anti-knapsack constructive algorithms, greedy	800	x19184
1492A	Three swimmers math	800	x22554
1491A	K-th Largest Value brute force, greedy, implementation	800	x18136
1490A	Dense Array greedy, math	800	x30934
1487A	Arena implementation, sortings	800	x26349
1482A	Prison Break math	800	x20316
1481A	Space Navigation greedy, strings	800	x24790
1480A	Yet Another String Game games, greedy, strings	800	x25697
1478A	Nezzar and Colorful Balls brute force, greedy	800	x25992
1474A	Puzzle From the Future greedy	800	x22328
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33323
1472B	Fair Division dp, greedy, math	800	x49018
1472A	Cards for Friends greedy, math	800	x41484
1468E	Four Segments greedy	800	x8745
1466B	Last minute enhancements dp, greedy	800	x22557
1466A	Bovine Dilemma brute force, geometry, math	800	x22443
1462B	Last Year's Substring dp, implementation, strings	800	x26942
1462A	Favorite Sequence implementation, two pointers	800	x40950
1461A	String Generation constructive algorithms, greedy	800	x18525
1459A	Red-Blue Shuffle math, probabilities	800	x16945
1455A	Strange Functions math, number theory	800	x26283
1454B	Unique Bid Auction implementation	800	x27853
1454A	Special Permutation constructive algorithms, probabilities	800	x39974
1453A	Cancel the Trains implementation	800	x22420
1452C	Two Brackets greedy	800	x19309
1452A	Robot Program math	800	x21995
1451A	Subtract or Divide greedy, math	800	x24092
1450A	Avoid Trygub constructive algorithms, sortings	800	x17657
1447A	Add Candies constructive algorithms, math	800	x13745
1445A	Array Rearrangment greedy, sortings	800	x19042
1443A	Kids Seating constructive algorithms, math	800	x16181
1440A	Buy the String implementation, math	800	x19661
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19196
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17975
1436A	Reorder math	800	x22597
1433B	Yet Another Bookshelf greedy, implementation	800	x28265
1433A	Boring Apartments implementation, math	800	x51019
1431A	Selling Hamburgers *special problem	800	x1823
1430B	Barrels greedy, implementation, sortings	800	x19302
1428A	Box is Pull math	800	x16238
1426A	Floor Number implementation, math	800	x46895
1422A	Fence geometry, math	800	x20809
1421A	XORwice bitmasks, greedy, math	800	x28268
1417A	Copy-paste greedy, math	800	x18187
1415A	Prison Break brute force, math	800	x15073
1413A	Finding Sasuke constructive algorithms, math	800	x14694
1411A	In-game Chat implementation	800	x20516
1409A	Yet Another Two Integers Problem greedy, math	800	x64520