Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
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Problems

#	Name
570C	Replacement constructive algorithms, data structures, implementation	1600	x8958
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x15719
570A	Elections implementation	1100	x13723
569A	Music implementation, math	1500	x4738
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x4997
567B	Berland National Library implementation	1300	x8326
567A	Lineland Mail greedy, implementation	900	x30375
560B	Gerald is into Art constructive algorithms, implementation	1200	x7818
560A	Currency System in Geraldion implementation, sortings	1000	x16789
558D	Guess Your Way Out! II data structures, implementation, sortings	2300	x1102
558B	Amr and The Large Array implementation	1300	x7750
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10143
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7073
557A	Ilya and Diplomas greedy, implementation, math	1100	x8194
556B	Case of Fake Numbers brute force, implementation	1100	x7865
555D	Case of a Top Secret binary search, implementation, math	2500	x856
555A	Case of Matryoshkas implementation	1500	x6486
553B	Kyoya and Permutation binary search, combinatorics, constructive algorithms, greedy, implementation, math	1900	x2094
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1406
552B	Vanya and Books implementation, math	1200	x15172
552A	Vanya and Table implementation, math	1000	x9323
551E	GukiZ and GukiZiana binary search, data structures, implementation	2500	x1647
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1719
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3754
551A	GukiZ and Contest brute force, implementation, sortings	800	x15977
550E	Brackets in Implications constructive algorithms, greedy, implementation, math	2200	x1375
550D	Regular Bridge constructive algorithms, graphs, implementation	1900	x3233
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36068
549D	Haar Features greedy, implementation	1900	x2121
549A	Face Detection implementation, strings	900	x9333
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8255
548A	Mike and Fax brute force, implementation, strings	1100	x9821
547A	Mike and Frog brute force, greedy, implementation, math	2200	x2309
546B	Soldier and Badges brute force, greedy, implementation, sortings	1200	x17140
546A	Soldier and Bananas brute force, implementation, math	800	x166150
545D	Queue greedy, implementation, sortings	1300	x23870
545A	Toy Cars implementation	900	x11399
544B	Sea and Islands constructive algorithms, implementation	1400	x7794
544A	Set of Strings implementation, strings	1100	x7696
540E	Infinite Inversions binary search, data structures, implementation, sortings, trees	2100	x2000
540B	School Marks greedy, implementation	1700	x4592
540A	Combination Lock implementation	800	x31382
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2404
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5752
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17549
538A	Cutting Banner brute force, implementation	1400	x7045
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x21504
535A	Tavas and Nafas brute force, implementation	1000	x11796
534E	Berland Local Positioning System constructive algorithms, greedy, hashing, implementation	2400	x340
534A	Exam constructive algorithms, implementation, math	1100	x11997
533C	Board Game games, greedy, implementation, math	1700	x2137
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4637
527C	Glass Carving binary search, data structures, implementation	1500	x6638
527A	Playing with Paper implementation, math	1100	x14068
526E	Transmitting Levels dp, implementation	2400	x1051
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4462
526A	King of Thieves brute force, implementation	1300	x4722
524A	Возможно, вы знаете этих людей? implementation	1600	x1391
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2230
523B	Mean Requests *special problem, implementation	1500	x938
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2564
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8634
520D	Cubes games, greedy, implementation	2100	x1530
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47610
520A	Pangram implementation, strings	800	x88935
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19298
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37528
519A	A and B and Chess implementation	900	x18530
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x342
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x904
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x5916
518B	Tanya and Postcard greedy, implementation, strings	1400	x7781
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20081
514A	Chewbaсca and Number greedy, implementation	1200	x45106
510A	Fox And Snake implementation	800	x76001
509C	Sums of Digits dp, greedy, implementation	2000	x1991
509B	Painting Pebbles constructive algorithms, greedy, implementation	1300	x9508
509A	Maximum in Table brute force, implementation	800	x37137
507D	The Maths Lecture dp, implementation	2200	x1676
507C	Guess Your Way Out! implementation, math, trees	1700	x4269
507A	Amr and Music greedy, implementation, sortings	1000	x16915
505A	Mr. Kitayuta's Gift brute force, implementation, strings	1100	x6587
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x715
501A	Contest implementation	900	x21886
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5737
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x49941
499B	Lecture implementation, strings	1000	x37275
499A	Watching a movie greedy, implementation	1000	x13692
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7545
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5788
496A	Minimum Difficulty brute force, implementation, math	900	x16063
495A	Digital Counter implementation	1100	x8275
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6649
493B	Vasya and Wrestling implementation	1400	x12968
493A	Vasya and Football implementation	1300	x6016
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3113
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x70694
492A	Vanya and Cubes implementation	800	x46357
491A	Up the hill constructive algorithms, implementation	1000	x2808
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1513