Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
26:14:36
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Problems

#	Name
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21558
1133C	Balanced Team sortings, two pointers	1200	x21238
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21227
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21192
1294B	Collecting Packages implementation, sortings	1200	x21189
1539C	Stable Groups greedy, sortings	1200	x21165
1613B	Absent Remainder greedy, implementation, sortings	1000	x21154
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20847
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20734
1734A	Select Three Sticks brute force, greedy, sortings	800	x20707
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20707
1733A	Consecutive Sum greedy, sortings	800	x20644
1622B	Berland Music data structures, greedy, math, sortings	1000	x20517
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20393
1638B	Odd Swap Sort data structures, math, sortings	1100	x20374
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20321
1165B	Polycarp Training data structures, greedy, sortings	1000	x20298
1744D	Divisibility by 2^n greedy, math, sortings	1200	x20178
1272A	Three Friends brute force, greedy, math, sortings	900	x20010
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19859
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19848
1836A	Destroyer implementation, sortings	800	x19753
1895B	Points and Minimum Distance greedy, math, sortings	800	x19593
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19565
1767B	Block Towers data structures, greedy, sortings	800	x19552
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19521
807A	Is it rated? implementation, sortings	900	x19393
1798A	Showstopper greedy, implementation, sortings	800	x19315
27A	Next Test implementation, sortings	1200	x19263
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19261
1656A	Good Pairs math, sortings	800	x19227
1712C	Sort Zero greedy, sortings	1100	x19190
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19149
1920B	Summation Game games, greedy, math, sortings	1100	x19132
1430B	Barrels greedy, implementation, sortings	800	x19104
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19008
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18886
984A	Game sortings	800	x18876
1445A	Array Rearrangment greedy, sortings	800	x18797
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18748
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18643
1311B	WeirdSort dfs and similar, sortings	1200	x18471
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18449
1501B	Napoleon Cake dp, implementation, sortings	900	x18427
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18403
1896A	Jagged Swaps sortings	800	x18379
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18373
1891A	Sorting with Twos constructive algorithms, sortings	800	x18312
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18094
1790D	Matryoshkas data structures, greedy, sortings	1200	x18071
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18068
1216B	Shooting greedy, implementation, sortings	900	x18031
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17966
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17881
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17836
988B	Substrings Sort sortings, strings	1100	x17816
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17809
1579B	Shifting Sort implementation, sortings	1100	x17792
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17785
1605B	Reverse Sort greedy, sortings	1000	x17616
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17606
1857D	Strong Vertices math, sortings, trees	1300	x17578
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17549
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17512
1641A	Great Sequence brute force, greedy, sortings	1200	x17483
1450A	Avoid Trygub constructive algorithms, sortings	800	x17471
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17391
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17311
1015C	Songs Compression sortings	1100	x17280
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17176
546B	Soldier and Badges brute force, greedy, implementation, sortings	1200	x17160
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17107
1930A	Maximise The Score greedy, sortings	800	x16997
507A	Amr and Music greedy, implementation, sortings	1000	x16968
1681C	Double Sort implementation, sortings	1200	x16937
1480B	The Great Hero greedy, implementation, sortings	900	x16911
1427A	Avoiding Zero math, sortings	900	x16818
560A	Currency System in Geraldion implementation, sortings	1000	x16814
609A	USB Flash Drives greedy, implementation, sortings	800	x16781
16B	Burglar and Matches greedy, implementation, sortings	900	x16779
166A	Rank List binary search, implementation, sortings	1100	x16727
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16722
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16652
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x16609
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16498
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16451
1248B	Grow The Tree greedy, math, sortings	900	x16451
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16443
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16366
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16365
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16340
1668B	Social Distance greedy, math, sortings	900	x16304
1418B	Negative Prefixes greedy, sortings	1300	x16271
1627B	Not Sitting games, greedy, sortings	1300	x16247
572A	Arrays sortings	900	x16239
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16207
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16160
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16095
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16081
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16026