Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
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Difficulty: —

data structures

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Problems

#	Name
4C	Registration System data structures, hashing, implementation	1300	x77402
1703B	ICPC Balloons data structures, implementation	800	x45579
1520D	Same Differences data structures, hashing, math	1200	x42787
368B	Sereja and Suffixes data structures, dp	1100	x39578
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37781
1760C	Advantage data structures, implementation, sortings	800	x35130
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34633
1722C	Word Game data structures, implementation	800	x29541
1714B	Remove Prefix data structures, greedy, implementation	800	x29370
1807D	Odd Queries data structures, implementation	900	x28816
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27516
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x27059
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26938
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26813
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26800
1213B	Bad Prices data structures, implementation	1100	x25651
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25441
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x24560
1703D	Double Strings brute force, data structures, strings	1100	x24412
1398C	Good Subarrays data structures, dp, math	1600	x24223
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24071
1497A	Meximization brute force, data structures, greedy, sortings	800	x23891
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23857
339D	Xenia and Bit Operations data structures, trees	1700	x23697
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23363
1380A	Three Indices brute force, data structures	900	x23354
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x23339
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x23166
1730A	Planets data structures, greedy, sortings	800	x22535
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22393
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x22391
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22215
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22158
1709B	Also Try Minecraft data structures, dp, implementation	900	x21873
1800D	Remove Two Letters data structures, greedy, hashing, strings	1200	x21731
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21723
1702C	Train and Queries data structures, greedy	1100	x21517
1800C2	Powering the Hero (hard version) data structures, greedy	1100	x21375
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21250
1526C2	Potions (Hard Version) data structures, greedy	1600	x21074
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20766
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20752
1622B	Berland Music data structures, greedy, math, sortings	1000	x20551
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20453
1638B	Odd Swap Sort data structures, math, sortings	1100	x20419
1165B	Polycarp Training data structures, greedy, sortings	1000	x20349
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20312
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20191
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20073
1200A	Hotelier brute force, data structures, implementation	800	x20047
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20026
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19849
1428C	ABBB brute force, data structures, greedy, strings	1100	x19683
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19676
1767B	Block Towers data structures, greedy, sortings	800	x19580
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19460
1760E	Binary Inversions data structures, greedy, math	1100	x19304
767A	Snacktower data structures, implementation	1100	x19291
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19279
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x19002
1915E	Romantic Glasses data structures, greedy, math	1300	x18566
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18478
1490E	Accidental Victory binary search, data structures, greedy	1400	x18410
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18340
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18259
1790D	Matryoshkas data structures, greedy, sortings	1200	x18222
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18199
1492B	Card Deck data structures, greedy, math	1100	x18140
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17973
1698C	3SUM Closure brute force, data structures	1300	x17947
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17878
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17697
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17688
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17357
1689B	Mystic Permutation data structures, greedy	900	x17118
1679B	Stone Age Problem data structures, implementation	1200	x17014
1669E	2-Letter Strings data structures, math, strings	1200	x16938
1919C	Grouping Increases data structures, dp, greedy	1400	x16858
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16541
816B	Karen and Coffee binary search, data structures, implementation	1400	x16474
1234B2	Social Network (hard version) data structures, implementation	1300	x16462
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16263
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x16129
295A	Greg and Array data structures, implementation	1400	x16098
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16070
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x16001
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15996
1349A	Orac and LCM data structures, math, number theory	1600	x15943
1798B	Three Sevens brute force, data structures, greedy, implementation	1000	x15902
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15872
501B	Misha and Changing Handles data structures, dsu, strings	1100	x15628
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15592
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15496
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15493
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15473
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15218
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x15074
650A	Watchmen data structures, geometry, math	1400	x15063
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15058
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14747

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