Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
21:08:54
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Problems

#	Name
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13137
1761A	Two Permutations brute force, constructive algorithms	800	x18002
1760D	Challenging Valleys implementation, two pointers	1000	x22845
1760C	Advantage data structures, implementation, sortings	800	x35737
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x42671
1760A	Medium Number implementation, sortings	800	x55533
1759B	Lost Permutation math	800	x21854
1759A	Yes-Yes? implementation, strings	800	x29212
1758B	XOR = Average constructive algorithms	900	x20663
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24831
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18700
1754A	Technical Support greedy	800	x22822
1750B	Maximum Substring brute force, greedy, implementation	800	x16090
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16901
1749B	Death's Blessing greedy	900	x20540
1749A	Cowardly Rooks greedy, implementation	800	x22143
1748A	The Ultimate Square math	800	x23725
1747B	BAN BAN constructive algorithms	900	x22344
1747A	Two Groups constructive algorithms, greedy	800	x24571
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16958
1746A	Maxmina constructive algorithms, greedy	800	x19676
1744C	Traffic Light binary search, implementation, two pointers	1000	x25311
1744B	Even-Odd Increments implementation, math	800	x23097
1744A	Number Replacement greedy, implementation	800	x26683
1743B	Permutation Value constructive algorithms, greedy	800	x22021
1743A	Password brute force, combinatorics, implementation, math	800	x26338
1742C	Stripes implementation	900	x31701
1742B	Increasing greedy, implementation, sortings	800	x45555
1742A	Sum implementation	800	x66931
1741B	Funny Permutation constructive algorithms, math	800	x25011
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x30180
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13626
1740A	Factorise N+M constructive algorithms, number theory	800	x19802
1739A	Immobile Knight implementation	800	x22422
1738A	Glory Addicts greedy, implementation, sortings	800	x13434
1737A	Ela Sorting Books greedy, implementation, strings	900	x10007
1736A	Make A Equal to B brute force, greedy, sortings	800	x22542
1735B	Tea with Tangerines greedy, math	900	x17871
1735A	Working Week constructive algorithms, greedy, math	800	x19993
1734B	Bright, Nice, Brilliant constructive algorithms	800	x15642
1734A	Select Three Sticks brute force, greedy, sortings	800	x20877
1733B	Rule of League constructive algorithms, math	900	x19419
1733A	Consecutive Sum greedy, sortings	800	x20736
1732B	Ugu brute force, dp, greedy, implementation	900	x14553
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14606
1731A	Joey Takes Money greedy, math	800	x22212
1730A	Planets data structures, greedy, sortings	800	x22671
1729B	Decode String greedy, strings	800	x29626
1729A	Two Elevators math	800	x39462
1728B	Best Permutation constructive algorithms, greedy	800	x19979
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24427
1726A	Mainak and Array greedy, math	900	x20490
1725B	Basketball Together binary search, greedy, sortings	1000	x12346
1725A	Accumulation of Dominoes math	800	x9117
1722C	Word Game data structures, implementation	800	x29944
1722B	Colourblindness implementation	800	x44069
1722A	Spell Check implementation	800	x48148
1721B	Deadly Laser implementation	1000	x21693
1721A	Image greedy, implementation	800	x26734
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20868
1720A	Burenka Plays with Fractions math, number theory	900	x21967
1719B	Mathematical Circus constructive algorithms, math	800	x18358
1719A	Chip Game games, math	800	x25121
1717A	Madoka and Strange Thoughts math, number theory	800	x19252
1716B	Permutation Chain constructive algorithms, math	800	x21267
1716A	2-3 Moves greedy, math	800	x32050
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20640
1715A	Crossmarket constructive algorithms, greedy, math	800	x23297
1714C	Minimum Varied Number greedy	800	x30497
1714B	Remove Prefix data structures, greedy, implementation	800	x29660
1714A	Everyone Loves to Sleep implementation, math	900	x28976
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20856
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21738
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21354
1712A	Wonderful Permutation greedy, implementation	800	x23814
1711A	Perfect Permutation constructive algorithms	800	x24904
1709B	Also Try Minecraft data structures, dp, implementation	900	x22088
1709A	Three Doors brute force, greedy, implementation, math	800	x29237
1708A	Difference Operations greedy, math	800	x21559
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22654
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22368
1705A	Mark the Photographer greedy, sortings	800	x24908
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x16887
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15858
1703C	Cypher brute force, implementation, strings	800	x34622
1703B	ICPC Balloons data structures, implementation	800	x46672
1703A	YES or YES? brute force, implementation, strings	800	x64847
1702D	Not a Cheap String greedy	1000	x23216
1702B	Polycarp Writes a String from Memory greedy	800	x27151
1702A	Round Down the Price constructive algorithms	800	x33887
1701B	Permutation greedy	800	x20026
1701A	Grass Field implementation	800	x25969
1700A	Optimal Path constructive algorithms, greedy, math	800	x22653
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19342
1699A	The Third Three Number Problem constructive algorithms, math	800	x23736
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20723
1698A	XOR Mixup bitmasks, brute force	800	x28251
1697B	Promo greedy, sortings	900	x25846
1697A	Parkway Walk greedy, implementation	800	x25516
1696B	NIT Destroys the Universe greedy	900	x19985