Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
38:49:10
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Problems

#	Name
1681A	Game with Cards games, greedy	800	x20703
1734A	Select Three Sticks brute force, greedy, sortings	800	x20706
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20733
1530A	Binary Decimal greedy, math	800	x20740
1944A	Destroying Bridges graphs, greedy, math	800	x20759
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20846
1573A	Countdown greedy	800	x20909
1834A	Unit Array greedy, math	800	x21023
1780A	Hayato and School constructive algorithms, greedy	800	x21048
1777A	Everybody Likes Good Arrays! greedy, math	800	x21084
1604A	Era greedy	800	x21098
1638A	Reverse constructive algorithms, greedy, math	800	x21204
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21212
1207A	There Are Two Types Of Burgers brute force, greedy, implementation, math	800	x21289
1061A	Coins greedy, implementation, math	800	x21291
1708A	Difference Operations greedy, math	800	x21463
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21557
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21561
1847A	The Man who became a God greedy, sortings	800	x21630
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21640
1176A	Divide it! brute force, greedy, implementation	800	x21817
1743B	Permutation Value constructive algorithms, greedy	800	x21905
1749A	Cowardly Rooks greedy, implementation	800	x21949
1879A	Rigged! greedy	800	x21994
1635A	Min Or Sum bitmasks, greedy	800	x22032
1694A	Creep greedy, implementation	800	x22102
1731A	Joey Takes Money greedy, math	800	x22109
1806A	Walking Master geometry, greedy, math	800	x22170
1474A	Puzzle From the Future greedy	800	x22190
1466B	Last minute enhancements dp, greedy	800	x22353
1736A	Make A Equal to B brute force, greedy, sortings	800	x22401
1730A	Planets data structures, greedy, sortings	800	x22489
1700A	Optimal Path constructive algorithms, greedy, math	800	x22528
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22534
1657B	XY Sequence greedy	800	x22559
1754A	Technical Support greedy	800	x22573
1566A	Median Maximization binary search, greedy, math	800	x22704
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22870
1629B	GCD Arrays greedy, math, number theory	800	x22945
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23020
1923A	Moving Chips greedy, implementation	800	x23057
1946A	Median of an Array greedy, implementation, sortings	800	x23111
1934A	Too Min Too Max greedy, math	800	x23120
1516A	Tit for Tat greedy	800	x23122
1715A	Crossmarket constructive algorithms, greedy, math	800	x23165
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23626
1634A	Reverse and Concatenate greedy, strings	800	x23631
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23647
1712A	Wonderful Permutation greedy, implementation	800	x23709
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23728
1778A	Flip Flop Sum greedy, implementation	800	x23736
1497A	Meximization brute force, data structures, greedy, sortings	800	x23843
1451A	Subtract or Divide greedy, math	800	x23904
1822B	Karina and Array greedy, math, sortings	800	x24025
1398B	Substring Removal Game games, greedy, sortings	800	x24045
1945A	Setting up Camp greedy, math	800	x24081
1882A	Increasing Sequence greedy	800	x24179
1747A	Two Groups constructive algorithms, greedy	800	x24312
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24329
1041A	Heist greedy, implementation, sortings	800	x24447
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24527
1690B	Array Decrements greedy, implementation	800	x24592
1481A	Space Navigation greedy, strings	800	x24635
1705A	Mark the Photographer greedy, sortings	800	x24790
1901A	Line Trip greedy, math	800	x24814
1517A	Sum of 2050 greedy, math	800	x25077
1562A	The Miracle and the Sleeper greedy, math	800	x25170
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x25289
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25358
1697A	Parkway Walk greedy, implementation	800	x25380
1480A	Yet Another String Game games, greedy, strings	800	x25403
1833C	Vlad Building Beautiful Array greedy, math	800	x25464
1478A	Nezzar and Colorful Balls brute force, greedy	800	x25690
1547B	Alphabetical Strings greedy, implementation, strings	800	x25938
1391B	Fix You brute force, greedy, implementation	800	x25992
1744A	Number Replacement greedy, implementation	800	x26288
1932A	Thorns and Coins dp, greedy, implementation	800	x26335
1920A	Satisfying Constraints brute force, greedy, math	800	x26372
1721A	Image greedy, implementation	800	x26566
1790B	Taisia and Dice greedy, greedy, math	800	x26609
1702B	Polycarp Writes a String from Memory greedy	800	x26863
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x26982
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27024
1855A	Dalton the Teacher greedy, math	800	x27089
1792A	GamingForces greedy, sortings	800	x27091
1511A	Review Site greedy	800	x27134
1421A	XORwice bitmasks, greedy, math	800	x27134
1633B	Minority greedy	800	x27185
1550A	Find The Array greedy, math	800	x27609
1853A	Desorting brute force, greedy, math	800	x27767
1768A	Greatest Convex greedy, math, number theory	800	x27923
1843B	Long Long greedy, math, two pointers	800	x27941
1433B	Yet Another Bookshelf greedy, implementation	800	x27953
1851B	Parity Sort greedy, sortings, two pointers	800	x27980
1397A	Juggling Letters greedy, strings	800	x28093
734B	Anton and Digits brute force, greedy, implementation, math	800	x28492
1629A	Download More RAM brute force, greedy, sortings	800	x28525
1554A	Cherry greedy	800	x28553
1551B1	Wonderful Coloring - 1 greedy, strings	800	x28610
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28616