Problemset - Codeforces

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Codeforces Round 944 (Div. 4)
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Problems

#	Name
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18033
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17943
1686B	Odd Subarrays dp, greedy	800	x17902
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17861
1946B	Maximum Sum dp, greedy, math	1100	x17825
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x17798
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17708
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17600
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17317
1466C	Canine poetry dp, greedy, strings	1300	x17309
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17038
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17020
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17015
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16990
977F	Consecutive Subsequence dp	1700	x16985
1113A	Sasha and His Trip dp, greedy, math	900	x16982
1713C	Build Permutation constructive algorithms, dp, math	1200	x16830
1919C	Grouping Increases data structures, dp, greedy	1400	x16817
1245C	Constanze's Machine dp	1400	x16770
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16754
118D	Caesar's Legions dp	1700	x16686
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16663
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16626
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16583
1029B	Creating the Contest dp, greedy, math	1200	x16400
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16310
1706B	Making Towers dp, greedy, math	1100	x16219
1923B	Monsters Attack! dp, greedy, implementation	1100	x16135
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16092
1900B	Laura and Operations dp, math	900	x15981
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15947
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15905
1272D	Remove One Element brute force, dp	1500	x15824
1389B	Array Walk brute force, dp, greedy	1600	x15811
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15772
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15717
706C	Hard problem dp, strings	1600	x15637
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15577
1443B	Saving the City dp, greedy, math, sortings	1300	x15495
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15451
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15212
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x15200
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x14964
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14916
1844C	Particles dp, greedy, implementation, math	1300	x14821
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x14701
1637B	MEX and Array brute force, dp, greedy, math	1100	x14615
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14590
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14550
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14441
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14391
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14287
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14207
467C	George and Job dp, implementation	1700	x14098
1732B	Ugu brute force, dp, greedy, implementation	900	x14005
1178B	WOW Factor dp, strings	1300	x13966
1459B	Move and Turn dp, math	1300	x13903
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13879
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13850
1176C	Lose it! dp, greedy, implementation	1300	x13841
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13825
1253C	Sweets Eating dp, greedy, math, sortings	1500	x13807
1200B	Block Adventure dp, greedy	1200	x13711
161D	Distance in Tree dfs and similar, dp, trees	1800	x13586
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13561
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13510
349B	Color the Fence data structures, dp, greedy, implementation	1700	x13494
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x13437
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13354
1553D	Backspace dp, greedy, strings, two pointers	1500	x13340
1845C	Strong Password binary search, dp, greedy, strings	1400	x13330
1513C	Add One dp, matrices	1600	x13221
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13180
295B	Greg and Graph dp, graphs, shortest paths	1700	x13120
1766C	Hamiltonian Wall dp, implementation	1300	x13101
987C	Three displays brute force, dp, implementation	1400	x13094
1937B	Binary Path dp, greedy, implementation	1300	x13066
1633D	Make Them Equal dp, greedy	1600	x13025
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x12982
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12846
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12828
998B	Cutting dp, greedy, sortings	1200	x12745
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12675
1324E	Sleeping Schedule dp, implementation	1700	x12587
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x12564
1295C	Obtain The String dp, greedy, strings	1600	x12553
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12491
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12453
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12420
1140D	Minimum Triangulation dp, greedy, math	1200	x12371
1461B	Find the Spruce brute force, dp, implementation	1400	x12355
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12324
1288C	Two Arrays combinatorics, dp	1600	x12290
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12262
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12245
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12237
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12216
1234C	Pipes dp, implementation	1500	x12201
1945D	Seraphim the Owl dp, greedy	1300	x12101
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12092