Problemset - Codeforces

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Codeforces Round (Div. 3)
33:32:25
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Problems

#	Name
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1247
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1256
1845E	Boxes and Balls dp, implementation, math	2500	x1259
1120D	Power Tree dfs and similar, dp, dsu, graphs, greedy, trees	2500	x1260
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1265
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1270
1562E	Rescue Niwen! dp, greedy, string suffix structures, strings	2500	x1325
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1332
1174E	Ehab and the Expected GCD Problem combinatorics, dp, math, number theory	2500	x1349
543C	Remembering Strings bitmasks, dp	2500	x1350
1838E	Count Supersequences combinatorics, dp, math	2500	x1361
95E	Lucky Country dp, dsu, graphs	2500	x1383
416E	President's Path dp, graphs, shortest paths	2500	x1387
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1389
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1439
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1440
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1481
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1484
704B	Ant Man dp, graphs, greedy	2500	x1558
348D	Turtles dp, matrices	2500	x1559
1497E2	Square-free division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1561
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1600
1327F	AND Segments bitmasks, combinatorics, data structures, dp, two pointers	2500	x1603
840C	On the Bench combinatorics, dp	2500	x1639
1859E	Maximum Monogonosity brute force, dp, math	2500	x1660
1637F	Towers constructive algorithms, dfs and similar, dp, greedy, trees	2500	x1690
1188C	Array Beauty dp	2500	x1702
1548C	The Three Little Pigs combinatorics, dp, fft, math	2500	x1734
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1803
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1846
1481E	Sorting Books data structures, dp, greedy	2500	x1995
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x2081
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2176
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3409
55D	Beautiful numbers dp, number theory	2500	x3594
38H	The Great Marathon dp	2400	x263
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x279
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x289
332E	Binary Key dp, greedy, implementation	2400	x294
335D	Rectangles and Square brute force, dp	2400	x304
58E	Expression dp	2400	x346
107C	Arrangement bitmasks, dp	2400	x361
331C2	The Great Julya Calendar dp	2400	x363
856D	Masha and Cactus dp, trees	2400	x369
273D	Dima and Figure dp	2400	x385
204D	Little Elephant and Retro Strings dp	2400	x396
593E	Strange Calculation and Cats dp, matrices	2400	x399
107D	Crime Management dp, graphs, matrices	2400	x400
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x439
354B	Game with Strings bitmasks, dp, games	2400	x448
283D	Cows and Cool Sequences dp, math, number theory	2400	x520
856C	Eleventh Birthday combinatorics, dp, math	2400	x522
316D3	PE Lesson dp, math	2400	x526
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x529
567F	Mausoleum dp	2400	x561
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x576
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x582
979E	Kuro and Topological Parity dp	2400	x588
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x616
796E	Exam Cheating binary search, dp	2400	x621
513G2	Inversions problem dp, probabilities	2400	x626
295D	Greg and Caves combinatorics, dp	2400	x634
853D	Michael and Charging Stations binary search, dp, greedy	2400	x653
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x670
920D	Tanks dp, greedy, implementation	2400	x683
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x687
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x731
913E	Logical Expression bitmasks, dp, shortest paths	2400	x743
822E	Liar binary search, dp, hashing, string suffix structures	2400	x754
1809E	Two Tanks binary search, dp, implementation, math	2400	x789
983C	Elevator dp, graphs, shortest paths	2400	x801
1182D	Complete Mirror constructive algorithms, dfs and similar, dp, hashing, implementation, trees	2400	x802
865C	Gotta Go Fast binary search, dp	2400	x809
83D	Numbers dp, math, number theory	2400	x817
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x834
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x842
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x845
1620G	Subsequences Galore bitmasks, combinatorics, dp	2400	x856
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x869
939F	Cutlet data structures, dp	2400	x873
1032F	Vasya and Maximum Matching dp, trees	2400	x895
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x896
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x907
1670F	Jee, You See? bitmasks, combinatorics, dp	2400	x916
1784D	Wooden Spoon combinatorics, dp	2400	x949
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x951
1132G	Greedy Subsequences data structures, dp, trees	2400	x955
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x965
1093F	Vasya and Array dp	2400	x970
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x974
886E	Maximum Element combinatorics, dp, math	2400	x975
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x977
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x987
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1002
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1004
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1008
31E	TV Game dp	2400	x1018
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1019
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1046
526E	Transmitting Levels dp, implementation	2400	x1052