Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
23:58:01
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Problems

#	Name
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13136
1761A	Two Permutations brute force, constructive algorithms	800	x17996
1760D	Challenging Valleys implementation, two pointers	1000	x22843
1760C	Advantage data structures, implementation, sortings	800	x35735
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x42662
1760A	Medium Number implementation, sortings	800	x55522
1759B	Lost Permutation math	800	x21853
1759A	Yes-Yes? implementation, strings	800	x29211
1758B	XOR = Average constructive algorithms	900	x20660
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	x16089
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16901
1749B	Death's Blessing greedy	900	x20537
1749A	Cowardly Rooks greedy, implementation	800	x22143
1748A	The Ultimate Square math	800	x23723
1747B	BAN BAN constructive algorithms	900	x22340
1747A	Two Groups constructive algorithms, greedy	800	x24571
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16957
1746A	Maxmina constructive algorithms, greedy	800	x19674
1744C	Traffic Light binary search, implementation, two pointers	1000	x25307
1744B	Even-Odd Increments implementation, math	800	x23097
1744A	Number Replacement greedy, implementation	800	x26682
1743B	Permutation Value constructive algorithms, greedy	800	x22021
1743A	Password brute force, combinatorics, implementation, math	800	x26338
1742C	Stripes implementation	900	x31699
1742B	Increasing greedy, implementation, sortings	800	x45550
1742A	Sum implementation	800	x66923
1741B	Funny Permutation constructive algorithms, math	800	x25008
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x30176
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13626
1740A	Factorise N+M constructive algorithms, number theory	800	x19801
1739A	Immobile Knight implementation	800	x22420
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	x17870
1735A	Working Week constructive algorithms, greedy, math	800	x19992
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	x22211
1730A	Planets data structures, greedy, sortings	800	x22669
1729B	Decode String greedy, strings	800	x29626
1729A	Two Elevators math	800	x39462
1728B	Best Permutation constructive algorithms, greedy	800	x19978
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24425
1726A	Mainak and Array greedy, math	900	x20487
1725B	Basketball Together binary search, greedy, sortings	1000	x12344
1725A	Accumulation of Dominoes math	800	x9117
1722C	Word Game data structures, implementation	800	x29938
1722B	Colourblindness implementation	800	x44065
1722A	Spell Check implementation	800	x48142
1721B	Deadly Laser implementation	1000	x21689
1721A	Image greedy, implementation	800	x26733
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20867
1720A	Burenka Plays with Fractions math, number theory	900	x21965
1719B	Mathematical Circus constructive algorithms, math	800	x18357
1719A	Chip Game games, math	800	x25120
1717A	Madoka and Strange Thoughts math, number theory	800	x19249
1716B	Permutation Chain constructive algorithms, math	800	x21267
1716A	2-3 Moves greedy, math	800	x32024
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20638
1715A	Crossmarket constructive algorithms, greedy, math	800	x23297
1714C	Minimum Varied Number greedy	800	x30495
1714B	Remove Prefix data structures, greedy, implementation	800	x29660
1714A	Everyone Loves to Sleep implementation, math	900	x28975
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20855
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	x22087
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	x24907
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x16885
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15856
1703C	Cypher brute force, implementation, strings	800	x34621
1703B	ICPC Balloons data structures, implementation	800	x46665
1703A	YES or YES? brute force, implementation, strings	800	x64838
1702D	Not a Cheap String greedy	1000	x23214
1702B	Polycarp Writes a String from Memory greedy	800	x27150
1702A	Round Down the Price constructive algorithms	800	x33885
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	x25842
1697A	Parkway Walk greedy, implementation	800	x25516
1696B	NIT Destroys the Universe greedy	900	x19984