Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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binary search

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Problems

#	Name
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6549
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7275
1845C	Strong Password binary search, dp, greedy, strings	1400	x13267
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x367
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x10883
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x12691
1838F	Stuck Conveyor binary search, constructive algorithms, interactive	3000	x290
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x2054
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x894
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x2040
1832F	Zombies binary search, dp	3200	x250
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1783
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2782
1827E	Bus Routes binary search, constructive algorithms, dfs and similar, greedy, trees	3400	x355
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1127
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1754
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3641
1821D	Black Cells binary search, brute force, greedy, math	1900	x4733
1817A	Almost Increasing Subsequence binary search, data structures, greedy	1500	x10263
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x817
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1606
1811E	Living Sequence binary search, dp, math, number theory	1500	x11488
1810D	Climbing the Tree binary search, math	1700	x7043
1809F	Traveling in Berland binary search, data structures, graphs, greedy, implementation	2500	x703
1809E	Two Tanks binary search, dp, implementation, math	2400	x789
1809B	Points on Plane binary search, greedy, math	1000	x18975
1808D	Petya, Petya, Petr, and Palindromes binary search, brute force, data structures, two pointers	2100	x2140
1807E	Interview binary search, implementation, interactive	1300	x11767
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x806
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x11968
1804F	Approximate Diameter binary search, divide and conquer, graphs, shortest paths	2700	x848
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2028
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3192
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x765
1796C	Maximum Set binary search, math	1600	x9712
1795F	Blocking Chips binary search, constructive algorithms, dfs and similar, greedy, trees	2400	x1038
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x1903
1795C	Tea Tasting binary search, data structures, implementation	1500	x11321
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12390
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x923
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5730
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5856
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13125
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4444
1791F	Range Update Point Query binary search, brute force, data structures	1500	x11392
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3702
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x197
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8749
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1261
1780G	Delicious Dessert binary search, dsu, hashing, math, number theory, string suffix structures	2400	x665
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory	2400	x1297
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4628
1777E	Edge Reverse binary search, dfs and similar, graphs, trees	2200	x1681
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7663
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x338
1776L	Controllers binary search, math	1500	x5126
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x635
1773H	Hot and Cold binary search, interactive	2600	x336
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x728
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1260
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x953
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12748
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x853
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1123
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1181
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x3900
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x428
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x494
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x544
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x13852
1762F	Good Pairs binary search, data structures, dp	2600	x558
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1717
1760F	Quests binary search, greedy, sortings	1500	x11227
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4200
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3673
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6837
1753E	N Machines binary search, brute force, greedy	3300	x307
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1350
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x13249
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1695
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x4462
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x88
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1338
1744C	Traffic Light binary search, implementation, two pointers	1000	x24027
1743E	FTL binary search, dp	2400	x1462
1742E	Scuza binary search, greedy, math	1200	x21634
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x2211
1739D	Reset K Edges binary search, data structures, dfs and similar, graphs, greedy, trees	1900	x4848
1737G	Ela Takes Dancing Class binary search, data structures	3500	x108
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9160
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1228
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14448
1732C2	Sheikh (Hard Version) binary search, bitmasks, brute force, greedy, implementation, two pointers	2100	x2450
1732C1	Sheikh (Easy version) binary search, bitmasks, greedy, two pointers	1800	x5546
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6675
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x11770
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x407
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x80
1725G	Garage binary search, geometry, math	1500	x5578
1725D	Deducing Sortability binary search, bitmasks, math	2900	x117