Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
45:57:19
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Problems

#	Name
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6477
626B	Cards constructive algorithms, dp, math	1300	x6501
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6512
1114D	Flood Fill dp	1900	x6512
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6532
219C	Color Stripe brute force, dp, greedy	1600	x6539
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6547
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6583
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6662
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6671
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6672
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6676
1486D	Max Median binary search, data structures, dp	2100	x6682
1787C	Remove the Bracket dp, greedy, math	1600	x6684
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6687
1957C	How Does the Rook Move? combinatorics, dp, math		x6689
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x6728
148D	Bag of mice dp, games, math, probabilities	1800	x6742
1353E	K-periodic Garland brute force, dp, greedy	1900	x6761
1583C	Omkar and Determination data structures, dp	1700	x6792
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6826
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6872
915C	Permute Digits dp, greedy	1700	x6875
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x6985
1081C	Colorful Bricks combinatorics, dp, math	1500	x6988
991D	Bishwock dp, greedy	1500	x6998
340D	Bubble Sort Graph binary search, data structures, dp	1500	x6998
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7009
1040B	Shashlik Cooking dp, greedy, math	1300	x7009
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7014
1692H	Gambling data structures, dp, greedy, math	1700	x7024
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7034
180C	Letter dp	1400	x7041
1404B	Tree Tag dfs and similar, dp, games, trees	1900	x7070
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7072
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7079
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7086
1238C	Standard Free2play dp, greedy, math	1600	x7097
1051D	Bicolorings bitmasks, dp	1700	x7113
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7135
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7199
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7215
1132F	Clear the String dp	2000	x7248
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7269
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7275
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7287
1517D	Explorer Space dp, graphs, shortest paths	1800	x7304
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7325
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7348
873B	Balanced Substring dp, implementation	1500	x7393
1187E	Tree Painting dfs and similar, dp, trees	2100	x7402
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7464
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7470
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7506
1875D	Jellyfish and Mex dp	1600	x7508
1446B	Catching Cheaters dp, strings	1800	x7519
603A	Alternative Thinking dp, greedy, math	1600	x7533
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7540
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7566
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7584
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7591
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7595
416C	Booking System binary search, dp, greedy, implementation	1600	x7621
835C	Star sky dp, implementation	1600	x7627
543A	Writing Code dp	1800	x7666
1096D	Easy Problem dp	1800	x7678
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7705
729B	Spotlights dp, implementation	1200	x7706
359B	Permutation constructive algorithms, dp, math	1400	x7707
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7708
913C	Party Lemonade bitmasks, dp, greedy	1600	x7735
1452D	Radio Towers combinatorics, dp, math	1600	x7746
711C	Coloring Trees dp	1700	x7776
1512G	Short Task brute force, dp, math, number theory	1700	x7784
448C	Painting Fence divide and conquer, dp, greedy	1900	x7789
1627D	Not Adding brute force, dp, math, number theory	1900	x7807
332B	Maximum Absurdity data structures, dp, implementation	1500	x7807
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7939
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8002
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8022
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8030
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8041
279C	Ladder dp, implementation, two pointers	1700	x8041
1422C	Bargain combinatorics, dp, math	1700	x8068
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8099
1038D	Slime dp, greedy, implementation	1800	x8109
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8119
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8163
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8192
1369D	TediousLee dp, graphs, greedy, math, trees	1900	x8251
798B	Mike and strings brute force, dp, strings	1300	x8259
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8264
429B	Working out dp	1600	x8279
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8312
611C	New Year and Domino dp, implementation	1500	x8318
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8332
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8344
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8351
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8369
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8377