Problemset - Codeforces

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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
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Problems

#	Name
1681A	Game with Cards games, greedy	800	x21053
1680B	Robots implementation	800	x18443
1680A	Minimums and Maximums brute force, math	800	x21652
1679A	AvtoBus brute force, greedy, math, number theory	900	x24837
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15981
1678A	Tokitsukaze and All Zero Sequence implementation	800	x18234
1676D	X-Sum brute force, greedy, implementation	1000	x25495
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30441
1676B	Equal Candies greedy, math, sortings	800	x49314
1676A	Lucky? implementation	800	x65581
1675B	Make It Increasing greedy, implementation	900	x27734
1675A	Food for Animals greedy, math	800	x33515
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x23810
1674B	Dictionary combinatorics, math	800	x26553
1674A	Number Transformation constructive algorithms, math	800	x26432
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18476
1672B	I love AAAB constructive algorithms, implementation	800	x15900
1672A	Log Chopping games, implementation, math	800	x16158
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18624
1671A	String Building implementation	800	x20575
1670A	Prof. Slim greedy, implementation, sortings	800	x15472
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x35240
1669B	Triple implementation, sortings	800	x44128
1669A	Division? implementation	800	x64994
1668B	Social Distance greedy, math, sortings	900	x16779
1668A	Direction Change implementation, math	800	x16358
1666D	Deletive Editing greedy	900	x8909
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20849
1665A	GCD vs LCM constructive algorithms, math	800	x23738
1661A	Array Balancing greedy, math	800	x18424
1660B	Vlad and Candies math	800	x28197
1660A	Vasya and Coins greedy, math	800	x36261
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x19225
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18663
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20375
1657B	XY Sequence greedy	800	x22915
1657A	Integer Moves brute force, math	800	x24042
1656A	Good Pairs math, sortings	800	x19721
1654B	Prefix Removals strings	800	x15657
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18695
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19695
1651A	Playoff implementation	800	x25757
1650B	DIV + MOD math	900	x27844
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34899
1649A	Game implementation	800	x15599
1647A	Madoka and Math Dad implementation, math	800	x22837
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21251
1646A	Square Counting math	800	x24362
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20741
1644A	Doors and Keys implementation	800	x27456
1642B	Power Walking greedy	900	x17036
1642A	Hard Way geometry	800	x16243
1638A	Reverse constructive algorithms, greedy, math	800	x21517
1637A	Sorting Parts brute force, sortings	800	x22408
1635B	Avoid Local Maximums greedy	800	x17960
1635A	Min Or Sum bitmasks, greedy	800	x23066
1634C	OKEA constructive algorithms	1000	x18263
1634A	Reverse and Concatenate greedy, strings	800	x23955
1633B	Minority greedy	800	x27902
1633A	Div. 7 brute force	800	x33474
1632B	Roof Construction bitmasks, constructive algorithms	1000	x22704
1632A	ABC implementation	800	x29587
1631A	Min Max Swap greedy	800	x29592
1629B	GCD Arrays greedy, math, number theory	800	x23567
1629A	Download More RAM brute force, greedy, sortings	800	x29354
1627A	Not Shading constructive algorithms, implementation	800	x24087
1626A	Equidistant Letters constructive algorithms, sortings	800	x29069
1625A	Ancient Civilization bitmasks, greedy, math	800	x17297
1624B	Make AP implementation, math	900	x37477
1624A	Plus One on the Subset math	800	x52633
1623A	Robot Cleaner brute force, implementation, math	800	x20090
1622B	Berland Music data structures, greedy, math, sortings	1000	x21168
1622A	Construct a Rectangle geometry, math	800	x30248
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23881
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x21580
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21663
1619B	Squares and Cubes implementation, math	800	x31039
1619A	Square String? implementation, strings	800	x52640
1618B	Missing Bigram implementation	800	x22758
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32502
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x23593
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16309
1616A	Integer Diversity implementation	800	x22843
1615A	Closing The Gap greedy, math	800	x20820
1614B	Divan and a New Project constructive algorithms, sortings	1000	x19640
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23514
1613B	Absent Remainder greedy, implementation, sortings	1000	x21807
1613A	Long Comparison implementation, math	900	x24693
1612B	Special Permutation constructive algorithms, greedy	900	x17300
1612A	Distance brute force, constructive algorithms	800	x17708
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x18467
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29824
1611A	Make Even constructive algorithms, math	800	x31602
1610A	Anti Light's Cell Guessing math	900	x16150
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x17193
1608A	Find Array constructive algorithms, math	800	x19129
1607C	Minimum Extraction brute force, sortings	1000	x25159
1607B	Odd Grasshopper math	900	x26825
1607A	Linear Keyboard implementation, strings	800	x37651
1606A	AB Balance strings	900	x25164