Problemset - Codeforces

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Codeforces Round (Div. 3)
35:08:37
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Problems

#	Name
1676D	X-Sum brute force, greedy, implementation	1000	x23934
1613A	Long Comparison implementation, math	900	x23930
1593C	Save More Mice binary search, greedy, greedy	1000	x23924
1451A	Subtract or Divide greedy, math	800	x23910
448A	Rewards implementation	800	x23894
1800B	Count the Number of Pairs greedy, strings	1000	x23882
1382B	Sequential Nim dp, games	1100	x23860
1497A	Meximization brute force, data structures, greedy, sortings	800	x23850
1526A	Mean Inequality constructive algorithms, sortings	800	x23849
474D	Flowers dp	1700	x23849
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x23839
1844A	Subtraction Game constructive algorithms, games	800	x23828
1766A	Extremely Round brute force, implementation	800	x23813
1195C	Basketball Exercise dp	1400	x23809
507B	Amr and Pins geometry, math	1400	x23804
1345A	Puzzle Pieces math	800	x23800
1594A	Consecutive Sum Riddle math	800	x23797
1627A	Not Shading constructive algorithms, implementation	800	x23782
1514A	Perfectly Imperfect Array math, number theory	800	x23774
988A	Diverse Team brute force, implementation	800	x23774
1883A	Morning math	800	x23759
1539B	Love Song dp, implementation, strings	800	x23752
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23747
1778A	Flip Flop Sum greedy, implementation	800	x23744
1369B	AccurateLee greedy, implementation, strings	1200	x23736
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23732
1712A	Wonderful Permutation greedy, implementation	800	x23717
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23665
1657A	Integer Moves brute force, math	800	x23658
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23633
1634A	Reverse and Concatenate greedy, strings	800	x23633
1699A	The Third Three Number Problem constructive algorithms, math	800	x23618
4B	Before an Exam constructive algorithms, greedy	1200	x23599
339D	Xenia and Bit Operations data structures, trees	1700	x23588
1822A	TubeTube Feed brute force, implementation	800	x23578
1420B	Rock and Lever bitmasks, math	1200	x23572
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23558
1365A	Matrix Game games, greedy, implementation	1100	x23543
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23533
37A	Towers sortings	1000	x23529
1881B	Three Threadlets math	900	x23527
371C	Hamburgers binary search, brute force	1600	x23524
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23512
1552A	Subsequence Permutation sortings, strings	800	x23501
1370C	Number Game games, math, number theory	1400	x23501
1213A	Chips Moving math	900	x23477
272A	Dima and Friends implementation, math	1000	x23471
1326B	Maximums implementation, math	900	x23462
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23449
1748A	The Ultimate Square math	800	x23446
1206A	Choose Two Numbers math, sortings	800	x23441
1395A	Boboniu Likes to Color Balls brute force, math	1000	x23421
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23404
1809A	Garland implementation	800	x23390
1895A	Treasure Chest math	800	x23360
1102A	Integer Sequence Dividing math	800	x23360
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23357
1506C	Double-ended Strings brute force, implementation, strings	1000	x23321
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23287
1238A	Prime Subtraction math, number theory	900	x23247
1354A	Alarm Clock math	900	x23225
1795A	Two Towers brute force, implementation, strings	800	x23223
1946A	Median of an Array greedy, implementation, sortings	800	x23204
1380A	Three Indices brute force, data structures	900	x23203
1934A	Too Min Too Max greedy, math	800	x23190
1715A	Crossmarket constructive algorithms, greedy, math	800	x23173
1342B	Binary Period constructive algorithms, strings	1100	x23137
1516A	Tit for Tat greedy	800	x23124
1923A	Moving Chips greedy, implementation	800	x23121
378A	Playing with Dice brute force	800	x23074
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x23064
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23064
1861A	Prime Deletion constructive algorithms, math	800	x23061
1856B	Good Arrays implementation, math	900	x23047
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23024
1005A	Tanya and Stairways implementation	800	x23021
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x22970
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x22952
1629B	GCD Arrays greedy, math, number theory	800	x22950
1702D	Not a Cheap String greedy	1000	x22924
1665A	GCD vs LCM constructive algorithms, math	800	x22913
1790C	Premutation brute force, implementation, math	1000	x22896
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x22884
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22877
1828A	Divisible Array constructive algorithms, math	800	x22864
1363B	Subsequence Hate implementation, strings	1400	x22857
404A	Valera and X implementation	1000	x22834
1770A	Koxia and Whiteboards brute force, greedy	1000	x22830
1351A	A+B (Trial Problem) implementation	800	x22828
1420A	Cubes Sorting math, sortings	900	x22823
1557B	Moamen and k-subarrays greedy, sortings	1100	x22786
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22782
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x22779
1873E	Building an Aquarium binary search, sortings	1100	x22776
1744B	Even-Odd Increments implementation, math	800	x22753
1857C	Assembly via Minimums greedy, sortings	1200	x22751
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22731
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x22719
1606A	AB Balance strings	900	x22714
1566A	Median Maximization binary search, greedy, math	800	x22711