Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
34:31:59
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Problems

#	Name
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15411
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15411
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15460
1443B	Saving the City dp, greedy, math, sortings	1300	x15463
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15541
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15558
1891B	Deja Vu brute force, math, sortings	1100	x15618
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x15743
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15747
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15749
352B	Jeff and Periods implementation, sortings	1300	x15784
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15839
1584C	Two Arrays greedy, math, sortings	900	x15840
1625B	Elementary Particles brute force, greedy, sortings	1100	x15848
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x15922
551A	GukiZ and Contest brute force, implementation, sortings	800	x15990
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16025
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16080
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16094
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16158
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16207
572A	Arrays sortings	900	x16239
1627B	Not Sitting games, greedy, sortings	1300	x16245
1418B	Negative Prefixes greedy, sortings	1300	x16271
1668B	Social Distance greedy, math, sortings	900	x16304
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16340
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16365
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16365
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16442
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16450
1248B	Grow The Tree greedy, math, sortings	900	x16451
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16489
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x16605
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16652
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16722
166A	Rank List binary search, implementation, sortings	1100	x16724
16B	Burglar and Matches greedy, implementation, sortings	900	x16775
609A	USB Flash Drives greedy, implementation, sortings	800	x16780
560A	Currency System in Geraldion implementation, sortings	1000	x16811
1427A	Avoiding Zero math, sortings	900	x16818
1480B	The Great Hero greedy, implementation, sortings	900	x16911
1681C	Double Sort implementation, sortings	1200	x16936
507A	Amr and Music greedy, implementation, sortings	1000	x16966
1930A	Maximise The Score greedy, sortings	800	x16989
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17106
546B	Soldier and Badges brute force, greedy, implementation, sortings	1200	x17160
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17175
1015C	Songs Compression sortings	1100	x17280
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17309
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17388
1450A	Avoid Trygub constructive algorithms, sortings	800	x17471
1641A	Great Sequence brute force, greedy, sortings	1200	x17483
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17500
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17549
1857D	Strong Vertices math, sortings, trees	1300	x17577
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17604
1605B	Reverse Sort greedy, sortings	1000	x17616
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17781
1579B	Shifting Sort implementation, sortings	1100	x17788
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17809
988B	Substrings Sort sortings, strings	1100	x17815
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17836
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17880
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17959
1216B	Shooting greedy, implementation, sortings	900	x18030
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18066
1790D	Matryoshkas data structures, greedy, sortings	1200	x18068
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18094
1891A	Sorting with Twos constructive algorithms, sortings	800	x18310
1896A	Jagged Swaps sortings	800	x18366
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18370
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18402
1501B	Napoleon Cake dp, implementation, sortings	900	x18427
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18448
1311B	WeirdSort dfs and similar, sortings	1200	x18471
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18641
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18745
1445A	Array Rearrangment greedy, sortings	800	x18797
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18876
984A	Game sortings	800	x18876
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19008
1430B	Barrels greedy, implementation, sortings	800	x19103
1920B	Summation Game games, greedy, math, sortings	1100	x19129
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19148
1712C	Sort Zero greedy, sortings	1100	x19188
1656A	Good Pairs math, sortings	800	x19226
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19260
27A	Next Test implementation, sortings	1200	x19260
1798A	Showstopper greedy, implementation, sortings	800	x19315
807A	Is it rated? implementation, sortings	900	x19393
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19515
1767B	Block Towers data structures, greedy, sortings	800	x19552
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19565
1895B	Points and Minimum Distance greedy, math, sortings	800	x19588
1836A	Destroyer implementation, sortings	800	x19753
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19848
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19858
1272A	Three Friends brute force, greedy, math, sortings	900	x20009
1744D	Divisibility by 2^n greedy, math, sortings	1200	x20172
1165B	Polycarp Training data structures, greedy, sortings	1000	x20291