Problemset - Codeforces

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Problems

#	Name
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6201
71C	Round Table Knights dp, math, number theory	1600	x6230
1861D	Sorting By Multiplication dp, greedy	1800	x6266
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6272
1283E	New Year Parties dp, greedy	1800	x6275
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6278
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6308
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6332
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6351
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6392
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6406
407B	Long Path dp, implementation	1600	x6410
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6414
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6438
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6455
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6483
626B	Cards constructive algorithms, dp, math	1300	x6511
1114D	Flood Fill dp	1900	x6526
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6544
219C	Color Stripe brute force, dp, greedy	1600	x6544
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6577
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6582
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6597
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6681
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6683
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6687
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6688
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6715
1787C	Remove the Bracket dp, greedy, math	1600	x6716
1486D	Max Median binary search, data structures, dp	2100	x6729
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x6749
1353E	K-periodic Garland brute force, dp, greedy	1900	x6772
148D	Bag of mice dp, games, math, probabilities	1800	x6782
1583C	Omkar and Determination data structures, dp	1700	x6802
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6867
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6890
915C	Permute Digits dp, greedy	1700	x6898
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7001
991D	Bishwock dp, greedy	1500	x7003
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7009
1040B	Shashlik Cooking dp, greedy, math	1300	x7012
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7047
1081C	Colorful Bricks combinatorics, dp, math	1500	x7048
1692H	Gambling data structures, dp, greedy, math	1700	x7054
180C	Letter dp	1400	x7060
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7069
1404B	Tree Tag dfs and similar, dp, games, trees	1900	x7084
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7086
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7099
1238C	Standard Free2play dp, greedy, math	1600	x7099
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7104
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7110
1051D	Bicolorings bitmasks, dp	1700	x7135
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7185
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7204
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7224
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7290
1132F	Clear the String dp	2000	x7294
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7308
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7317
1517D	Explorer Space dp, graphs, shortest paths	1800	x7319
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7338
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x7361
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7364
873B	Balanced Substring dp, implementation	1500	x7413
1187E	Tree Painting dfs and similar, dp, trees	2100	x7456
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7488
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7499
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7534
1446B	Catching Cheaters dp, strings	1800	x7538
603A	Alternative Thinking dp, greedy, math	1600	x7545
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7555
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7572
1875D	Jellyfish and Mex dp	1600	x7587
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7604
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7611
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7619
416C	Booking System binary search, dp, greedy, implementation	1600	x7640
835C	Star sky dp, implementation	1600	x7643
543A	Writing Code dp	1800	x7678
1096D	Easy Problem dp	1800	x7694
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7713
359B	Permutation constructive algorithms, dp, math	1400	x7720
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7722
729B	Spotlights dp, implementation	1200	x7732
913C	Party Lemonade bitmasks, dp, greedy	1600	x7743
1452D	Radio Towers combinatorics, dp, math	1600	x7761
711C	Coloring Trees dp	1700	x7797
1512G	Short Task brute force, dp, math, number theory	1700	x7807
332B	Maximum Absurdity data structures, dp, implementation	1500	x7817
448C	Painting Fence divide and conquer, dp, greedy	1900	x7822
1627D	Not Adding brute force, dp, math, number theory	1900	x7835
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7967
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8034
279C	Ladder dp, implementation, two pointers	1700	x8049
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8064
1422C	Bargain combinatorics, dp, math	1700	x8075
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8082
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8116
1038D	Slime dp, greedy, implementation	1800	x8118