Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
21:14:08
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Problems

#	Name
1696A	NIT orz! bitmasks, greedy	800	x18476
1695B	Circle Game games, greedy	1000	x18144
1695A	Subrectangle Guess games	800	x16167
1694A	Creep greedy, implementation	800	x22250
1692C	Where's the Bishop? implementation	800	x32943
1692B	All Distinct greedy, sortings	800	x33248
1692A	Marathon implementation	800	x61562
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21853
1691A	Beat The Odds brute force, greedy, math	800	x30075
1690D	Black and White Stripe implementation, two pointers	1000	x27671
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25649
1690B	Array Decrements greedy, implementation	800	x24937
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32829
1689B	Mystic Permutation data structures, greedy	900	x17235
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16448
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17990
1688A	Cirno's Perfect Bitmasks Classroom bitmasks, brute force	800	x21095
1686B	Odd Subarrays dp, greedy	800	x18022
1686A	Everything Everywhere All But One greedy	800	x20271
1684B	Z mod X = C constructive algorithms, math	800	x20724
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23622
1682A	Palindromic Indices greedy, strings	800	x19115
1681B	Card Trick implementation, math	800	x19914
1681A	Game with Cards games, greedy	800	x20819
1680B	Robots implementation	800	x18129
1680A	Minimums and Maximums brute force, math	800	x21141
1679A	AvtoBus brute force, greedy, math, number theory	900	x22630
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15763
1678A	Tokitsukaze and All Zero Sequence implementation	800	x18001
1676D	X-Sum brute force, greedy, implementation	1000	x24414
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x29213
1676B	Equal Candies greedy, math, sortings	800	x46180
1676A	Lucky? implementation	800	x60007
1675B	Make It Increasing greedy, implementation	900	x25486
1675A	Food for Animals greedy, math	800	x32009
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x23119
1674B	Dictionary combinatorics, math	800	x25834
1674A	Number Transformation constructive algorithms, math	800	x25873
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18288
1672B	I love AAAB constructive algorithms, implementation	800	x15672
1672A	Log Chopping games, implementation, math	800	x15943
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18245
1671A	String Building implementation	800	x20264
1670A	Prof. Slim greedy, implementation, sortings	800	x15286
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x33468
1669B	Triple implementation, sortings	800	x40914
1669A	Division? implementation	800	x58945
1668B	Social Distance greedy, math, sortings	900	x16406
1668A	Direction Change implementation, math	800	x16203
1666D	Deletive Editing greedy	900	x7319
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x19238
1665A	GCD vs LCM constructive algorithms, math	800	x23162
1661A	Array Balancing greedy, math	800	x18251
1660B	Vlad and Candies math	800	x27708
1660A	Vasya and Coins greedy, math	800	x35370
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x17492
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18455
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20203
1657B	XY Sequence greedy	800	x22660
1657A	Integer Moves brute force, math	800	x23780
1656A	Good Pairs math, sortings	800	x19458
1654B	Prefix Removals strings	800	x15526
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18478
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19424
1651A	Playoff implementation	800	x25468
1650B	DIV + MOD math	900	x27173
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34156
1649A	Game implementation	800	x15434
1647A	Madoka and Math Dad implementation, math	800	x22573
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20967
1646A	Square Counting math	800	x24081
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20545
1644A	Doors and Keys implementation	800	x27060
1642B	Power Walking greedy	900	x16710
1642A	Hard Way geometry	800	x16052
1638A	Reverse constructive algorithms, greedy, math	800	x21271
1637A	Sorting Parts brute force, sortings	800	x22155
1635B	Avoid Local Maximums greedy	800	x17852
1635A	Min Or Sum bitmasks, greedy	800	x22454
1634C	OKEA constructive algorithms	1000	x18014
1634A	Reverse and Concatenate greedy, strings	800	x23728
1633B	Minority greedy	800	x27451
1633A	Div. 7 brute force	800	x32187
1632B	Roof Construction bitmasks, constructive algorithms	1000	x21375
1632A	ABC implementation	800	x29072
1631A	Min Max Swap greedy	800	x28777
1629B	GCD Arrays greedy, math, number theory	800	x23120
1629A	Download More RAM brute force, greedy, sortings	800	x28676
1627A	Not Shading constructive algorithms, implementation	800	x23877
1626A	Equidistant Letters constructive algorithms, sortings	800	x28465
1625A	Ancient Civilization bitmasks, greedy, math	800	x17046
1624B	Make AP implementation, math	900	x35067
1624A	Plus One on the Subset math	800	x50484
1623A	Robot Cleaner brute force, implementation, math	800	x19940
1622B	Berland Music data structures, greedy, math, sortings	1000	x20679
1622A	Construct a Rectangle geometry, math	800	x29642
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23640
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x20095
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21342
1619B	Squares and Cubes implementation, math	800	x30316