Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10824
1400B	RPG Protagonist brute force, greedy, math	1700	x10823
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10819
1013A	Piles With Stones math	800	x10818
1216D	Swords math	1300	x10802
1133D	Zero Quantity Maximization hashing, math, number theory	1500	x10792
1215C	Swap Letters constructive algorithms, greedy	1500	x10788
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x10777
621B	Wet Shark and Bishops combinatorics, implementation	1300	x10771
1105A	Salem and Sticks brute force, implementation	1100	x10766
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10754
1824A	LuoTianyi and the Show greedy, implementation	1400	x10748
1117A	Best Subsegment implementation, math	1100	x10747
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10745
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10731
1251B	Binary Palindromes greedy, strings	1400	x10715
1150B	Tiling Challenge greedy, implementation	900	x10713
1742F	Smaller constructive algorithms, greedy, strings	1500	x10708
127A	Wasted Time geometry	900	x10708
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10707
1043A	Elections implementation, math	800	x10699
369A	Valera and Plates greedy, implementation	900	x10697
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10695
1467B	Hills And Valleys brute force, implementation	1700	x10693
1741E	Sending a Sequence Over the Network dp	1600	x10692
315A	Sereja and Bottles brute force	1400	x10684
877A	Alex and broken contest implementation, strings	1100	x10683
1427B	Chess Cheater greedy, implementation, sortings	1400	x10680
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10671
714A	Meeting of Old Friends implementation, math	1100	x10668
946B	Weird Subtraction Process math, number theory	1100	x10653
484A	Bits bitmasks, constructive algorithms	1700	x10653
630J	Divisibility math, number theory	1100	x10650
888A	Local Extrema brute force, implementation	800	x10649
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10648
1415C	Bouncing Ball brute force, dp, implementation	1400	x10628
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x10626
1028A	Find Square implementation	800	x10622
1236B	Alice and the List of Presents combinatorics, math	1500	x10616
131C	The World is a Theatre combinatorics, math	1400	x10611
1023B	Pair of Toys math	1000	x10590
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10589
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10583
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10582
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10579
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10578
1110B	Tape greedy, sortings	1400	x10577
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10568
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10558
733B	Parade math	1100	x10553
669A	Little Artem and Presents math	800	x10523
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10522
1436C	Binary Search binary search, combinatorics	1500	x10513
1214B	Badges brute force, math	1100	x10506
1091B	New Year and the Treasure Geolocation brute force, constructive algorithms, greedy, implementation	1200	x10491
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10489
1738C	Even Number Addicts dp, games, greedy, math	1500	x10482
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10472
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10470
431B	Shower Line brute force, implementation	1200	x10453
363A	Soroban implementation	800	x10451
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10442
990A	Commentary Boxes implementation, math	1000	x10434
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10433
1689C	Infected Tree dfs and similar, dp, trees	1600	x10432
1651C	Fault-tolerant Network brute force, data structures, implementation	1500	x10430
298A	Snow Footprints greedy, implementation	1300	x10430
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10423
598B	Queries on a String implementation, strings	1300	x10413
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10399
1073B	Vasya and Books implementation, math	1000	x10398
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10393
1119A	Ilya and a Colorful Walk greedy, implementation	1100	x10392
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10385
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10382
1663A	Who Tested? *special problem, expression parsing, trees		x10380
1898B	Milena and Admirer greedy, math	1500	x10369
954A	Diagonal Walking implementation	800	x10365
976A	Minimum Binary Number implementation	800	x10359
1101B	Accordion greedy, implementation	1300	x10356
844A	Diversity greedy, implementation, strings	1000	x10351
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10344
991A	If at first you don't succeed... implementation	1000	x10340
1055A	Metro graphs	900	x10335
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10334
884A	Book Reading implementation	800	x10328
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10324
1096B	Substring Removal combinatorics, math, strings	1300	x10321
222A	Shooshuns and Sequence brute force, implementation	1200	x10320
1857F	Sum and Product binary search, data structures, math	1600	x10319
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10297
1003C	Intense Heat brute force, implementation, math	1300	x10295
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10288
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10283
628B	New Skateboard dp	1300	x10274
559A	Gerald's Hexagon brute force, geometry, math	1600	x10274
168A	Wizards and Demonstration implementation, math	900	x10272
25D	Roads not only in Berland dsu, graphs, trees	1900	x10270
1817A	Almost Increasing Subsequence binary search, data structures, greedy	1500	x10260
1189C	Candies! data structures, dp, implementation, math	1400	x10257