Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
31:01:21
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Problems

#	Name
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20321
1638B	Odd Swap Sort data structures, math, sortings	1100	x20374
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20393
1622B	Berland Music data structures, greedy, math, sortings	1000	x20516
1733A	Consecutive Sum greedy, sortings	800	x20644
1734A	Select Three Sticks brute force, greedy, sortings	800	x20706
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20707
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20733
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20847
1613B	Absent Remainder greedy, implementation, sortings	1000	x21153
1539C	Stable Groups greedy, sortings	1200	x21164
1294B	Collecting Packages implementation, sortings	1200	x21189
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21190
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21223
1133C	Balanced Team sortings, two pointers	1200	x21237
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21558
1847A	The Man who became a God greedy, sortings	800	x21631
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x21952
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x21990
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22012
1637A	Sorting Parts brute force, sortings	800	x22058
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22142
1722D	Line greedy, sortings	1100	x22161
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22184
1736A	Make A Equal to B brute force, greedy, sortings	800	x22401
285C	Building Permutation greedy, implementation, sortings	1200	x22418
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x22449
1730A	Planets data structures, greedy, sortings	800	x22489
1849B	Monsters greedy, math, sortings	1000	x22521
1873E	Building an Aquarium binary search, sortings	1100	x22691
1857C	Assembly via Minimums greedy, sortings	1200	x22720
1557B	Moamen and k-subarrays greedy, sortings	1100	x22781
1420A	Cubes Sorting math, sortings	900	x22822
1946A	Median of an Array greedy, implementation, sortings	800	x23115
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23395
1206A	Choose Two Numbers math, sortings	800	x23435
1552A	Subsequence Permutation sortings, strings	800	x23495
37A	Towers sortings	1000	x23523
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23547
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23652
1497A	Meximization brute force, data structures, greedy, sortings	800	x23844
1526A	Mean Inequality constructive algorithms, sortings	800	x23845
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x23921
545D	Queue greedy, implementation, sortings	1300	x23996
1822B	Karina and Array greedy, math, sortings	800	x24025
1398B	Substring Removal Game games, greedy, sortings	800	x24045
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24124
1607C	Minimum Extraction brute force, sortings	1000	x24277
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24330
1041A	Heist greedy, implementation, sortings	800	x24451
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x24504
1312B	Bogosort constructive algorithms, sortings	1000	x24518
1676E	Eating Queries binary search, greedy, sortings	1100	x24532
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x24578
1705A	Mark the Photographer greedy, sortings	800	x24791
1355B	Young Explorers dp, greedy, sortings	1200	x24834
580B	Kefa and Company binary search, sortings, two pointers	1500	x24846
515C	Drazil and Factorial greedy, math, sortings	1400	x24901
1334B	Middle Class greedy, sortings	1100	x25140
1833B	Restore the Weather greedy, sortings	900	x25307
1697B	Promo greedy, sortings	900	x25412
1791E	Negatives and Positives dp, greedy, sortings	1100	x25432
1339B	Sorted Adjacent Differences constructive algorithms, sortings	1200	x25520
1092B	Teams Forming sortings	800	x25603
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26011
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x26074
1487A	Arena implementation, sortings	800	x26143
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26644
1792A	GamingForces greedy, sortings	800	x27091
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x27112
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27308
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27437
1851B	Parity Sort greedy, sortings, two pointers	800	x27980
1626A	Equidistant Letters constructive algorithms, sortings	800	x28309
479C	Exams greedy, sortings	1400	x28476
1629A	Download More RAM brute force, greedy, sortings	800	x28525
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28685
1220A	Cards implementation, sortings, strings	800	x28791
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29527
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31015
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31490
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31637
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32060
977C	Less or Equal sortings	1200	x32195
1692B	All Distinct greedy, sortings	800	x32658
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32808
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32874
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33189
1760C	Advantage data structures, implementation, sortings	800	x34835
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35077
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36188
149A	Business trip greedy, implementation, sortings	900	x37609
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37622
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38385
1669B	Triple implementation, sortings	800	x39687
1850B	Ten Words of Wisdom implementation, sortings	800	x40132
451B	Sort the Array implementation, sortings	1300	x42913
1742B	Increasing greedy, implementation, sortings	800	x44127
1676B	Equal Candies greedy, math, sortings	800	x44922
456A	Laptops sortings	1100	x45241