Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
3 days
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Problems

#	Name
1538A	Stone Game brute force, dp, greedy	800	x35799
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x36052
1607A	Linear Keyboard implementation, strings	800	x36132
1537A	Arithmetic Array greedy, math	800	x36133
1337A	Ichihime and Triangle constructive algorithms, math	800	x36157
1186A	Vus the Cossack and a Contest implementation	800	x36289
1385B	Restore the Permutation by Merger greedy	800	x36331
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36375
124A	The number of positions math	1000	x36395
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36436
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36489
1955A	Yogurt Sale math	800	x36799
1368A	C+= brute force, greedy, implementation, math	800	x36918
977B	Two-gram implementation, strings	900	x36961
1327A	Sum of Odd Integers math	1100	x36990
1097A	Gennady and a Card Game brute force, implementation	800	x37109
1335B	Construct the String constructive algorithms	900	x37134
509A	Maximum in Table brute force, implementation	800	x37300
1872A	Two Vessels brute force, greedy, math	800	x37389
499B	Lecture implementation, strings	1000	x37569
1385A	Three Pairwise Maximums math	800	x37633
1915C	Can I Square? binary search, implementation	800	x37790
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37804
1579A	Casimir's String Solitaire math, strings	800	x37854
149A	Business trip greedy, implementation, sortings	900	x37886
556A	Case of the Zeros and Ones greedy	900	x38020
577A	Multiplication Table implementation, number theory	1000	x38166
1358A	Park Lighting greedy, math	800	x38188
1899A	Game with Integers games, math, number theory	800	x38253
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x38289
1348A	Phoenix and Balance greedy, math	800	x38432
1342A	Road To Zero greedy, math	1000	x38452
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x38493
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38559
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x38752
1729A	Two Elevators math	800	x39015
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x39036
1878A	How Much Does Daytona Cost? greedy	800	x39048
1941A	Rudolf and the Ticket brute force, math	800	x39082
1454A	Special Permutation constructive algorithms, probabilities	800	x39357
1296A	Array with Odd Sum math	800	x39602
368B	Sereja and Suffixes data structures, dp	1100	x39603
1927A	Make it White greedy, strings	800	x39854
1807B	Grab the Candies greedy	800	x39893
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39909
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x40020
1462A	Favorite Sequence implementation, two pointers	800	x40040
1669B	Triple implementation, sortings	800	x40062
1921A	Square greedy, math	800	x40073
327A	Flipping Game brute force, dp, implementation	1200	x40078
233A	Perfect Permutation implementation, math	800	x40538
1850B	Ten Words of Wisdom implementation, sortings	800	x40553
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x40735
1791C	Prepend and Append implementation, two pointers	800	x40806
1472A	Cards for Friends greedy, math	800	x40914
1829B	Blank Space implementation	800	x41032
476A	Dreamoon and Stairs implementation, math	1000	x41282
1850C	Word on the Paper implementation, strings	800	x41295
935A	Fafa and his Company brute force, implementation	800	x41605
313B	Ilya and Queries dp, implementation	1100	x41619
702A	Maximum Increase dp, greedy, implementation	800	x41645
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x41921
1791B	Following Directions geometry, implementation	800	x41998
1926A	Vlad and the Best of Five implementation	800	x42384
1542A	Odd Set math	800	x42424
1399B	Gifts Fixing greedy	800	x42430
1520D	Same Differences data structures, hashing, math	1200	x42865
474A	Keyboard implementation	900	x42893
1520B	Ordinary Numbers brute force, math, number theory	800	x42976
584A	Olesya and Rodion math	1000	x42993
451B	Sort the Array implementation, sortings	1300	x43180
731A	Night at the Museum implementation, strings	800	x43315
1722B	Colourblindness implementation	800	x43395
1374C	Move Brackets greedy, strings	1000	x43546
270A	Fancy Fence geometry, implementation, math	1100	x43547
1857A	Array Coloring greedy, math	800	x43759
1772A	A+B? implementation	800	x44211
959A	Mahmoud and Ehab and the even-odd game games, math	800	x44319
460A	Vasya and Socks brute force, implementation, math	900	x44362
1950A	Stair, Peak, or Neither? implementation	800	x44375
1371A	Magical Sticks math	800	x44401
1294A	Collecting Coins math	800	x44413
379A	New Year Candles implementation	1000	x44578
1873B	Good Kid brute force, greedy, math	800	x44598
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44619
1742B	Increasing greedy, implementation, sortings	800	x44689
474B	Worms binary search, implementation	1200	x44984
1676B	Equal Candies greedy, math, sortings	800	x45339
456A	Laptops sortings	1100	x45578
1703B	ICPC Balloons data structures, implementation	800	x45634
1426A	Floor Number implementation, math	800	x45665
514A	Chewbaсca and Number greedy, implementation	1200	x45999
1374B	Multiply by 2, divide by 6 math	900	x46034
1829A	Love Story implementation, strings	800	x46131
1360B	Honest Coach greedy, sortings	800	x46190
1343A	Candies brute force, math	900	x46383
707A	Brain's Photos implementation	800	x46443
1535A	Fair Playoff brute force, implementation	800	x46549
1475B	New Year's Number brute force, dp, math	900	x46570
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46686