Problemset - Codeforces

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Codeforces Round 943 (Div. 3)
08:44:38
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brute force

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Problems

#	Name
17A	Noldbach problem brute force, math, number theory	1000	x15015
1898A	Milica and String brute force, implementation, strings	800	x15007
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x14958
1415A	Prison Break brute force, math	800	x14916
1450B	Balls of Steel brute force, geometry, greedy	1000	x14871
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14709
1271A	Suits brute force, greedy, math	800	x14684
1637B	MEX and Array brute force, dp, greedy, math	1100	x14609
908A	New Year and Counting Cards brute force, implementation	800	x14603
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14555
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14484
1784A	Monsters (easy version) brute force, greedy	1000	x14451
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14409
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14399
1397B	Power Sequence brute force, math, number theory, sortings	1500	x14344
1667A	Make it Increasing brute force, greedy, math	1300	x14332
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14327
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14282
47A	Triangular numbers brute force, math	800	x14255
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x14252
706A	Beru-taxi brute force, geometry, implementation	900	x14247
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14228
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14224
1748B	Diverse Substrings brute force, implementation, strings	1400	x14196
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14184
488A	Giga Tower brute force	1100	x14046
1732B	Ugu brute force, dp, greedy, implementation	900	x13987
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x13927
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13898
215A	Bicycle Chain brute force, implementation	900	x13897
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x13871
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13802
914A	Perfect Squares brute force, implementation, math	900	x13778
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x13777
1810C	Make It Permutation brute force, greedy, sortings	1300	x13761
1060A	Phone Numbers brute force	800	x13693
259B	Little Elephant and Magic Square brute force, implementation	1100	x13675
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13669
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13570
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13568
1491B	Minimal Cost brute force, math	1200	x13565
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x13563
298B	Sail brute force, greedy, implementation	1200	x13515
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13506
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13495
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13480
854A	Fraction brute force, constructive algorithms, math	800	x13374
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13363
1279B	Verse For Santa binary search, brute force, implementation	1300	x13351
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13331
1902B	Getting Points binary search, brute force, greedy	1100	x13276
448D	Multiplication Table binary search, brute force	1800	x13263
1676H1	Maximum Crossings (Easy Version) brute force	1400	x13227
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13210
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13192
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13189
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13169
1340A	Nastya and Strange Generator brute force, data structures, greedy, implementation	1500	x13138
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13132
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13117
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x13098
1711B	Party brute force, graphs	1300	x13091
987C	Three displays brute force, dp, implementation	1400	x13075
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13028
1705C	Mark and His Unfinished Essay brute force, implementation	1400	x12960
841A	Generous Kefa brute force, implementation	900	x12917
796A	Buying A House brute force, implementation	800	x12821
1972A	Contest Proposal brute force, greedy		x12796
554A	Kyoya and Photobooks brute force, math, strings	900	x12714
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12664
1833D	Flipper brute force, constructive algorithms, greedy	1400	x12653
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x12652
1534A	Colour the Flag brute force, implementation	800	x12575
1945C	Left and Right Houses brute force	1200	x12559
1444A	Division brute force, math, number theory	1500	x12546
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12467
1670B	Dorms War brute force, implementation, strings	1100	x12409
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12397
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x12355
1461B	Find the Spruce brute force, dp, implementation	1400	x12353
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12348
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12345
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12317
633A	Ebony and Ivory brute force, math, number theory	1100	x12292
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12231
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12227
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12190
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12186
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12180
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12179
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x12114
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12080
1819A	Constructive Problem brute force, greedy	1300	x12051
1759D	Make It Round brute force, number theory	1400	x12032
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12005
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12003
1415B	Repainting Street brute force, brute force, greedy	1100	x11995
122B	Lucky Substring brute force, implementation	1000	x11993
32A	Reconnaissance brute force	800	x11969
1616C	Representative Edges brute force, geometry, implementation, math	1500	x11951