Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Problems

#	Name
1526A	Mean Inequality constructive algorithms, sortings	800	x23980
1525B	Permutation Sort constructive algorithms, greedy	900	x24372
1525A	Potion-making math, number theory	800	x25175
1523A	Game of Life implementation	800	x13437
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35997
1520C	Not Adjacent Matrix constructive algorithms	1000	x31030
1520B	Ordinary Numbers brute force, math, number theory	800	x43468
1520A	Do Not Be Distracted! brute force, implementation	800	x50470
1519B	The Cake Is a Lie dp, math	800	x30306
1519A	Red and Blue Beans math	800	x28440
1517A	Sum of 2050 greedy, math	800	x25200
1516A	Tit for Tat greedy	800	x23198
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24453
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20089
1514A	Perfectly Imperfect Array math, number theory	800	x23903
1513A	Array and Peaks constructive algorithms, implementation	800	x19229
1512B	Almost Rectangle implementation	800	x25123
1512A	Spy Detected! brute force, implementation	800	x61346
1511A	Review Site greedy	800	x27299
1509A	Average Height constructive algorithms	800	x25808
1506C	Double-ended Strings brute force, implementation, strings	1000	x23972
1506A	Strange Table math	800	x30288
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14121
1504A	Déjà Vu constructive algorithms, strings	800	x21506
1501B	Napoleon Cake dp, implementation, sortings	900	x18674
1501A	Alexey and Train implementation	800	x11545
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20425
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21067
1498A	GCD Sum brute force, math	800	x22833
1497A	Meximization brute force, data structures, greedy, sortings	800	x24005
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20419
1494A	ABC String bitmasks, brute force, implementation	900	x20569
1493A	Anti-knapsack constructive algorithms, greedy	800	x19159
1492A	Three swimmers math	800	x22510
1491A	K-th Largest Value brute force, greedy, implementation	800	x18085
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25827
1490A	Dense Array greedy, math	800	x30830
1488A	From Zero To Y *special problem, math	900	x1368
1487A	Arena implementation, sortings	800	x26289
1486A	Shifting Stacks greedy, implementation	900	x25024
1485A	Add and Divide brute force, greedy, math, number theory	1000	x21403
1482A	Prison Break math	800	x20201
1481A	Space Navigation greedy, strings	800	x24727
1480B	The Great Hero greedy, implementation, sortings	900	x17004
1480A	Yet Another String Game games, greedy, strings	800	x25552
1478A	Nezzar and Colorful Balls brute force, greedy	800	x25865
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x35781
1475B	New Year's Number brute force, dp, math	900	x47275
1475A	Odd Divisor math, number theory	900	x57182
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x27242
1474A	Puzzle From the Future greedy	800	x22247
1473B	String LCM brute force, math, number theory, strings	1000	x30450
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33085
1472B	Fair Division dp, greedy, math	800	x48479
1472A	Cards for Friends greedy, math	800	x41260
1471A	Strange Partition greedy, math, number theory	900	x25116
1469B	Red and Blue dp, greedy	1000	x26442
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x26810
1468N	Waste Sorting greedy, implementation	900	x7975
1468E	Four Segments greedy	800	x8674
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x24038
1466B	Last minute enhancements dp, greedy	800	x22458
1466A	Bovine Dilemma brute force, geometry, math	800	x22345
1462C	Unique Number brute force, greedy, math	900	x31765
1462B	Last Year's Substring dp, implementation, strings	800	x26765
1462A	Favorite Sequence implementation, two pointers	800	x40528
1461A	String Generation constructive algorithms, greedy	800	x18444
1459A	Red-Blue Shuffle math, probabilities	800	x16861
1455A	Strange Functions math, number theory	800	x26151
1454B	Unique Bid Auction implementation	800	x27701
1454A	Special Permutation constructive algorithms, probabilities	800	x39684
1453A	Cancel the Trains implementation	800	x22361
1452C	Two Brackets greedy	800	x19157
1452A	Robot Program math	800	x21907
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x19098
1451A	Subtract or Divide greedy, math	800	x24002
1450B	Balls of Steel brute force, geometry, greedy	1000	x14992
1450A	Avoid Trygub constructive algorithms, sortings	800	x17557
1447B	Numbers Box greedy, math	1000	x15708
1447A	Add Candies constructive algorithms, math	800	x13680
1445B	Elimination greedy, math	900	x15131
1445A	Array Rearrangment greedy, sortings	800	x18893
1443A	Kids Seating constructive algorithms, math	800	x16106
1440B	Sum of Medians greedy, math	900	x17887
1440A	Buy the String implementation, math	800	x19584
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18925
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19156
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17863
1436B	Prime Square constructive algorithms, math	900	x20327
1436A	Reorder math	800	x22488
1433C	Dominant Piranha constructive algorithms, greedy	900	x26584
1433B	Yet Another Bookshelf greedy, implementation	800	x28115
1433A	Boring Apartments implementation, math	800	x50378
1431A	Selling Hamburgers *special problem	800	x1805
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23716
1430B	Barrels greedy, implementation, sortings	800	x19205
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20579
1428A	Box is Pull math	800	x16216
1427A	Avoiding Zero math, sortings	900	x17029
1426B	Symmetric Matrix implementation	900	x20443