Problemset - Codeforces

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Before contest
Codeforces Round 975 (Div. 1)
3 days

Before contest
Codeforces Round 975 (Div. 2)
3 days

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Difficulty: —

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Problems

#	Name
1579A	Casimir's String Solitaire math, strings	800	x38767
1574A	Regular Bracket Sequences constructive algorithms	800	x21767
1573A	Countdown greedy	800	x21135
1571A	Sequence of Comparisons *special problem	800	x1296
1569A	Balanced Substring implementation	800	x25528
1567A	Domino Disaster implementation, strings	800	x30053
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19563
1566A	Median Maximization binary search, greedy, math	800	x23215
1562A	The Miracle and the Sleeper greedy, math	800	x25545
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16554
1560C	Infinity Table implementation, math	800	x26561
1560B	Who's Opposite? math	800	x35562
1560A	Dislike of Threes implementation	800	x59542
1559B	Mocha and Red and Blue dp, greedy	900	x22460
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x31177
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27889
1556A	A Variety of Operations math	800	x18062
1555A	PizzaForces brute force, math	900	x28017
1554A	Cherry greedy	800	x29241
1553A	Digits Sum math, number theory	800	x30936
1552A	Subsequence Permutation sortings, strings	800	x23809
1551B1	Wonderful Coloring - 1 greedy, strings	800	x29174
1551A	Polycarp and Coins greedy, math	800	x50659
1550A	Find The Array greedy, math	800	x28070
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24333
1549A	Gregor and Cryptography math, number theory	800	x32378
1547B	Alphabetical Strings greedy, implementation, strings	800	x26374
1547A	Shortest Path with Obstacle implementation, math	800	x30402
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18195
1543B	Customising the Track combinatorics, greedy, math	900	x23058
1543A	Exciting Bets greedy, math, number theory	900	x28120
1542A	Odd Set math	800	x44553
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29374
1539B	Love Song dp, implementation, strings	800	x24409
1538B	Friends and Candies greedy, math	800	x31628
1538A	Stone Game brute force, dp, greedy	800	x36730
1537B	Bad Boy constructive algorithms, greedy, math	900	x29794
1537A	Arithmetic Array greedy, math	800	x37117
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20190
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x30457
1535A	Fair Playoff brute force, implementation	800	x49197
1534A	Colour the Flag brute force, implementation	800	x12725
1530B	Putting Plates constructive algorithms, implementation	800	x15775
1530A	Binary Decimal greedy, math	800	x21042
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29730
1527A	And Then There Were K bitmasks	800	x35450
1526A	Mean Inequality constructive algorithms, sortings	800	x24153
1525B	Permutation Sort constructive algorithms, greedy	900	x24712
1525A	Potion-making math, number theory	800	x25356
1523A	Game of Life implementation	800	x13481
1520B	Ordinary Numbers brute force, math, number theory	800	x44284
1520A	Do Not Be Distracted! brute force, implementation	800	x51536
1519B	The Cake Is a Lie dp, math	800	x30762
1519A	Red and Blue Beans math	800	x28746
1517A	Sum of 2050 greedy, math	800	x25496
1516A	Tit for Tat greedy	800	x23380
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20211
1514A	Perfectly Imperfect Array math, number theory	800	x24105
1513A	Array and Peaks constructive algorithms, implementation	800	x19353
1512B	Almost Rectangle implementation	800	x25351
1512A	Spy Detected! brute force, implementation	800	x63668
1511A	Review Site greedy	800	x27560
1509A	Average Height constructive algorithms	800	x25973
1506A	Strange Table math	800	x30588
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14441
1504A	Déjà Vu constructive algorithms, strings	800	x21694
1501B	Napoleon Cake dp, implementation, sortings	900	x19093
1501A	Alexey and Train implementation	800	x11591
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21239
1498A	GCD Sum brute force, math	800	x23161
1497A	Meximization brute force, data structures, greedy, sortings	800	x24292
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20864
1494A	ABC String bitmasks, brute force, implementation	900	x20849
1493A	Anti-knapsack constructive algorithms, greedy	800	x19288
1492A	Three swimmers math	800	x22629
1491A	K-th Largest Value brute force, greedy, implementation	800	x18210
1490A	Dense Array greedy, math	800	x31131
1488A	From Zero To Y *special problem, math	900	x1401
1487A	Arena implementation, sortings	800	x26508
1486A	Shifting Stacks greedy, implementation	900	x25335
1482A	Prison Break math	800	x20413
1481A	Space Navigation greedy, strings	800	x24914
1480B	The Great Hero greedy, implementation, sortings	900	x17162
1480A	Yet Another String Game games, greedy, strings	800	x25822
1478A	Nezzar and Colorful Balls brute force, greedy	800	x26436
1475B	New Year's Number brute force, dp, math	900	x48682
1475A	Odd Divisor math, number theory	900	x60275
1474A	Puzzle From the Future greedy	800	x22434
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33619
1472B	Fair Division dp, greedy, math	800	x49981
1472A	Cards for Friends greedy, math	800	x41849
1471A	Strange Partition greedy, math, number theory	900	x26078
1468N	Waste Sorting greedy, implementation	900	x8151
1468E	Four Segments greedy	800	x8783
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x24301
1466B	Last minute enhancements dp, greedy	800	x22635
1466A	Bovine Dilemma brute force, geometry, math	800	x22512
1462C	Unique Number brute force, greedy, math	900	x32462
1462B	Last Year's Substring dp, implementation, strings	800	x27076
1462A	Favorite Sequence implementation, two pointers	800	x41527