Problemset - Codeforces

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Before contest
Codeforces Round 954 (Div. 3)
5 days

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Difficulty: —

data structures

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Problems

#	Name
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3903
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6299
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9372
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x420
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5810
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x217
773E	Blog Post Rating data structures, sortings	3000	x336
768G	The Winds of Winter binary search, data structures	3300	x355
767D	Cartons of milk binary search, data structures, greedy, sortings, two pointers	2100	x2200
767A	Snacktower data structures, implementation	1100	x19448
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2881
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3286
765F	Souvenirs data structures	3100	x1891
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2900	x477
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x523
762E	Radio stations binary search, data structures	2200	x1306
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x408
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x485
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1109
757C	Felicity is Coming! data structures, hashing, sortings, strings	1900	x2316
756C	Nikita and stack data structures	2200	x1292
755D	PolandBall and Polygon data structures	2000	x2475
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x11005
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2207
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1471
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3065
749E	Inversions After Shuffle data structures, probabilities	2400	x1035
749D	Leaving Auction binary search, data structures	2000	x2530
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1450
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1817
746F	Music in Car data structures, greedy, two pointers	2200	x724
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x176
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2485
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2079
739C	Alyona and towers data structures	2500	x1446
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4458
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1093
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x875
733D	Kostya the Sculptor data structures, hashing	1600	x4143
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2769
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1157
730L	Expression Queries data structures	3200	x85
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2158
727E	Games on a CD data structures, hashing, string suffix structures, strings	2300	x1146
725D	Contest Balloons data structures, greedy	1800	x2740
724D	Dense Subsequence data structures, greedy, strings	1900	x2261
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers	2800	x474
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3101
722C	Destroying Array data structures, dsu	1600	x8980
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2303
720F	Array Covering data structures	3100	x145
720D	Slalom data structures, dp, sortings	3100	x226
718C	Sasha and Array data structures, math, matrices	2300	x3427
717F	Heroes of Making Magic III data structures	2600	x288
713D	Animals and Puzzle binary search, data structures	2700	x1085
713A	Sonya and Queries data structures, implementation	1400	x8355
712E	Memory and Casinos data structures, math, probabilities	2500	x605
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1706
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3057
707E	Garlands data structures	2400	x1009
707D	Persistent Bookcase bitmasks, data structures, dfs and similar, implementation	2200	x2615
706E	Working routine data structures, implementation	2500	x1121
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9539
704E	Iron Man data structures, geometry, trees	3300	x279
704A	Thor brute force, data structures, implementation	1600	x9014
703D	Mishka and Interesting sum data structures	2100	x3431
702F	T-Shirts data structures	2800	x1207
702E	Analysis of Pathes in Functional Graph data structures, graphs	2100	x2333
702B	Powers of Two brute force, data structures, implementation, math	1500	x11416
701B	Cells Not Under Attack data structures, math	1200	x11597
700D	Huffman Coding on Segment data structures, greedy	3100	x455
696E	...Wait for it... data structures, dsu, trees	3000	x492
696D	Legen... data structures, dp, matrices, strings	2500	x1240
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6003
690B3	Recover Polygon (hard) data structures	2600	x91
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1822
689D	Friends and Subsequences binary search, data structures	2100	x3131
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x856
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x3817
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7352
679E	Bear and Bad Powers of 42 data structures	3100	x671
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x850
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1537
675E	Trains and Statistic data structures, dp, greedy	2300	x2631
675D	Tree Construction data structures, trees	1800	x3718
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3484
671E	Organizing a Race data structures, greedy	3300	x397
671D	Roads in Yusland data structures, dp, greedy	2900	x1113
671C	Ultimate Weirdness of an Array data structures, number theory	2800	x665
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3163
666E	Forensic Examination data structures, string suffix structures	3100	x1342
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x582
665E	Beautiful Subarrays data structures, divide and conquer, strings, trees	2100	x2933
660F	Bear and Bowling 4 binary search, data structures, divide and conquer, geometry, ternary search	2500	x1541
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7359
653F	Paper task data structures, string suffix structures, strings	2600	x969
652D	Nested Segments data structures, sortings	1800	x3847
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x588
650D	Zip-line binary search, data structures, dp, hashing	2600	x1244
650A	Watchmen data structures, geometry, math	1400	x15160