Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
3 days
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data structures

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Problems

#	Name
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19844
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20007
1200A	Hotelier brute force, data structures, implementation	800	x20046
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20066
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20185
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20308
1165B	Polycarp Training data structures, greedy, sortings	1000	x20343
1638B	Odd Swap Sort data structures, math, sortings	1100	x20416
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20452
1622B	Berland Music data structures, greedy, math, sortings	1000	x20547
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20746
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20765
1526C2	Potions (Hard Version) data structures, greedy	1600	x21055
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21238
1800C2	Powering the Hero (hard version) data structures, greedy	1100	x21370
1702C	Train and Queries data structures, greedy	1100	x21512
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21709
1800D	Remove Two Letters data structures, greedy, hashing, strings	1200	x21720
1709B	Also Try Minecraft data structures, dp, implementation	900	x21866
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22141
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22204
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x22384
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22389
1730A	Planets data structures, greedy, sortings	800	x22533
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x23137
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x23317
1380A	Three Indices brute force, data structures	900	x23334
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23351
339D	Xenia and Bit Operations data structures, trees	1700	x23689
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23779
1497A	Meximization brute force, data structures, greedy, sortings	800	x23881
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24058
1398C	Good Subarrays data structures, dp, math	1600	x24212
1703D	Double Strings brute force, data structures, strings	1100	x24405
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x24552
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25437
1213B	Bad Prices data structures, implementation	1100	x25649
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26788
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26804
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26927
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x27048
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27504
1807D	Odd Queries data structures, implementation	900	x28782
1714B	Remove Prefix data structures, greedy, implementation	800	x29363
1722C	Word Game data structures, implementation	800	x29524
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34621
1760C	Advantage data structures, implementation, sortings	800	x35116
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37768
368B	Sereja and Suffixes data structures, dp	1100	x39564
1520D	Same Differences data structures, hashing, math	1200	x42750
1703B	ICPC Balloons data structures, implementation	800	x45554
4C	Registration System data structures, hashing, implementation	1300	x77365

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