Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
3 days
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Problems

#	Name
1768A	Greatest Convex greedy, math, number theory	800	x27840
1537B	Bad Boy constructive algorithms, greedy, math	900	x27753
599A	Patrick and Shopping implementation	800	x27717
1698A	XOR Mixup bitmasks, brute force	800	x27686
1399C	Boats Competition brute force, greedy, two pointers	1200	x27628
1550A	Find The Array greedy, math	800	x27585
255A	Greg's Workout implementation	800	x27561
1853A	Desorting brute force, greedy, math	800	x27530
1454B	Unique Bid Auction implementation	800	x27519
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27417
1660B	Vlad and Candies math	800	x27413
1324B	Yet Another Palindrome Problem brute force, strings	1100	x27360
330A	Cakeminator brute force, implementation	800	x27305
1915D	Unnatural Language Processing greedy, implementation, strings	900	x27241
1285A	Mezo Playing Zoma math	800	x27232
1234A	Equalize Prices Again math	800	x27204
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27192
1788A	One and Two brute force, implementation, math	800	x27188
1555A	PizzaForces brute force, math	900	x27161
1633B	Minority greedy	800	x27159
550C	Divisibility by Eight brute force, dp, math	1500	x27134
1511A	Review Site greedy	800	x27116
276B	Little Girl and Game games, greedy	1300	x27085
1792A	GamingForces greedy, sortings	800	x27054
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27052
1855A	Dalton the Teacher greedy, math	800	x27023
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27010
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x26964
1921C	Sending Messages greedy, math	900	x26945
1398A	Bad Triangle geometry, math	800	x26939
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x26910
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x26901
1881A	Don't Try to Count brute force, strings	800	x26891
1421A	XORwice bitmasks, greedy, math	800	x26885
1849A	Morning Sandwich implementation, math	800	x26867
119A	Epic Game implementation	800	x26850
1401A	Distance and Axis constructive algorithms, math	900	x26845
1702B	Polycarp Writes a String from Memory greedy	800	x26823
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26797
1644A	Doors and Keys implementation	800	x26789
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26766
1650B	DIV + MOD math	900	x26716
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26679
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x26637
276A	Lunch Rush implementation	900	x26620
1790B	Taisia and Dice greedy, greedy, math	800	x26569
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26560
1791D	Distinct Split brute force, greedy, strings	1000	x26543
1721A	Image greedy, implementation	800	x26531
1400A	String Similarity constructive algorithms, strings	800	x26507
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x26506
1462B	Last Year's Substring dp, implementation, strings	800	x26473
1690D	Black and White Stripe implementation, two pointers	1000	x26460
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x26399
1872B	The Corridor or There and Back Again greedy, implementation	900	x26394
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26309
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x26305
1433C	Dominant Piranha constructive algorithms, greedy	900	x26281
1920A	Satisfying Constraints brute force, greedy, math	800	x26263
1744A	Number Replacement greedy, implementation	800	x26238
227B	Effective Approach implementation	1100	x26224
1003A	Polycarp's Pockets implementation	800	x26220
1543A	Exciting Bets greedy, math, number theory	900	x26203
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x26192
1837B	Comparison String greedy	900	x26185
1883B	Chemistry strings	900	x26180
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x26148
1487A	Arena implementation, sortings	800	x26119
1932A	Thorns and Coins dp, greedy, implementation	800	x26111
545C	Woodcutters dp, greedy	1500	x26100
1385C	Make It Good greedy	1200	x26064
746B	Decoding implementation, strings	900	x26044
1560C	Infinity Table implementation, math	800	x26039
1382A	Common Subsequence brute force	800	x26018
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x25997
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x25974
1455A	Strange Functions math, number theory	800	x25965
1743A	Password brute force, combinatorics, implementation, math	800	x25961
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x25948
1365B	Trouble Sort constructive algorithms, implementation	1300	x25940
1391B	Fix You brute force, greedy, implementation	800	x25939
1469B	Red and Blue dp, greedy	1000	x25935
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x25906
978A	Remove Duplicates implementation	800	x25906
1206B	Make Product Equal One dp, implementation	900	x25904
1547B	Alphabetical Strings greedy, implementation, strings	800	x25897
219A	k-String implementation, strings	1000	x25847
1701A	Grass Field implementation	800	x25788
1373A	Donut Shops greedy, implementation, math	1000	x25714
237A	Free Cash implementation	1000	x25685
1856A	Tales of a Sort implementation	800	x25676
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25658
1509A	Average Height constructive algorithms	800	x25658
1478A	Nezzar and Colorful Balls brute force, greedy	800	x25657
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x25655
463B	Caisa and Pylons brute force, implementation, math	1100	x25633
1550B	Maximum Cost Deletion greedy, math	1000	x25607
1674A	Number Transformation constructive algorithms, math	800	x25588
1931C	Make Equal Again brute force, greedy, math	1000	x25567
1674B	Dictionary combinatorics, math	800	x25526