Problemset - Codeforces

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Educational Codeforces Round 189 (Rated for Div. 2)
30:21:48
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Problems

#	Name
2218C	The 67th Permutation Problem constructive algorithms, greedy, math	800	x24686
2218B	The 67th 6-7 Integer Problem greedy, math	800	x31208
2218A	The 67th Integer Problem brute force, games, implementation, math	800	x32175
2217A	The Equalizer math	800	x20449
2216A	Course Wishes greedy	900	x3784
2211A	Antimedian Deletion implementation, math	800	x15505
2210B	Simply Sitting on Chairs data structures, greedy	900	x16964
2210A	A Simple Sequence constructive algorithms, dp, greedy, number theory	800	x21484
2209B	Array greedy	900	x18870
2209A	Flip Flops greedy	800	x20934
2208A	Bingo Candies constructive algorithms, math	800	x19624
2207A	1-1 greedy, strings	800	x13332
2205B	Simons and Cakes for Success implementation, math, math	800	x15803
2205A	Simons and Making It Beautiful brute force, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms	800	x16962
2204B	Right Maximum greedy	800	x19011
2204A	Passing the Ball brute force, implementation	800	x21252
2203A	Towers of Boxes math	800	x17542
2202A	Parkour Design math, math, math, math	800	x16121
2200C	Specialty String brute force, greedy, strings	900	x21049
2200B	Deletion Sort bitmasks, brute force, greedy, sortings	800	x24683
2200A	Eating Game greedy	800	x27217
2197A	Friendly Numbers binary search, brute force, expression parsing, math, schedules	800	x22634
2195B	Heapify 1 implementation, sortings	900	x24477
2195A	Sieve of Erato67henes math, number theory	800	x34910
2194A	Lawn Mower greedy, math	800	x23589
2193B	Reverse a Permutation greedy	800	x29908
2193A	DBMB and the Array brute force, math	800	x42336
2192A	String Rotation Game brute force, strings	800	x17720
2191A	Array Coloring constructive algorithms	800	x27601
2189A	Table with Numbers greedy, implementation	800	x24248
2188A	Divisible Permutation constructive algorithms	800	x25738
2185C	Shifted MEX implementation, sortings	900	x28681
2185B	Prefix Max greedy	800	x40193
2185A	Perfect Root constructive algorithms, math	800	x42582
2184A	Social Experiment math	800	x37741
2183A	Binary Array Game games	800	x23582
2182B	New Year Cake brute force	800	x23312
2182A	New Year String constructive algorithms, greedy, implementation, strings	800	x25183
2180B	Ashmal greedy, strings	800	x24469
2180A	Carnival Wheel brute force, number theory	800	x25775
2179B	Blackslex and Showering dp, greedy, implementation	800	x28182
2179A	Blackslex and Password math, strings	800	x34221
2178B	Impost or Sus dp, greedy, implementation, strings	900	x21479
2178A	Yes or Yes greedy, strings	800	x25532
2176A	Operations with Inversions greedy, implementation, math	800	x28909
2175A	Little Fairy's Painting implementation	800	x18614
2173A	Sleeping Through Classes greedy, implementation	800	x23650
2172A	ASCII Art Contest implementation	800	x14416
2171B	Yuu Koito and Minimum Absolute Sum math	900	x26906
2171A	Shizuku Hoshikawa and Farm Legs brute force, math	800	x37002
2170A	Maximum Neighborhood bitmasks, brute force, greedy, implementation, math	800	x19787
2169A	Alice and Bob greedy, implementation	900	x18923
2167C	Isamatdin and His Magic Wand! constructive algorithms, greedy, implementation, sortings	800	x35846
2167B	Your Name sortings, strings	800	x51382
2167A	Square? math, sortings	800	x57816
2166B	Tab Closing math	900	x18005
2166A	Same Difference brute force, greedy, strings	800	x22776
2164A	Sequence Game brute force, sortings	800	x20711
2163A	Souvlaki VS. Kalamaki brute force, greedy, math, sortings	800	x19500
2162A	Beautiful Average brute force, greedy	800	x41354
2161A	Round Trip games, greedy, implementation, math	800	x15664
2160A	MEX Partition math	800	x22364
2158A	Suspension constructive algorithms, greedy, math	800	x23240
2157B	Expansion Plan 2 implementation, math	900	x12777
2157A	Dungeon Equilibrium greedy, implementation, sortings	800	x16404
2156A	Pizza Time brute force, constructive algorithms, greedy	800	x26738
2155A	El fucho implementation, math	800	x25077
2154A	Notelock greedy, two pointers	800	x23062
2153B	Bitwise Reversion bitmasks, greedy	800	x22516
2153A	Circle of Apple Trees greedy, sortings	800	x26288
2152A	Increase or Smash greedy, implementation	800	x22234
2151A	Incremental Subarray math, strings	800	x17912
2149C	MEX rose greedy	900	x28001
2149B	Unconventional Pairs greedy, sortings	800	x32903
2149A	Be Positive math	800	x40688
2148C	Pacer greedy, math	900	x25218
2148B	Lasers geometry	800	x32886
2148A	Sublime Sequence brute force, hashing, math	800	x47062
2147A	Shortest Increasing Path constructive algorithms, greedy	800	x18558
2146A	Equal Occurrences brute force, greedy, implementation	800	x21752
2145A	Candies for Nephews math	800	x30602
2144A	Cut the Array brute force, constructive algorithms, math, number theory	800	x21625
2143A	All Lengths Subtraction brute force, two pointers	800	x20646
2141A	Furniture Store *special problem, implementation	800	x1600
2140B	Another Divisibility Problem constructive algorithms, math, number theory	900	x22036
2140A	Shift Sort greedy, sortings	800	x22190
2139B	Cake Collection greedy	800	x20766
2139A	Maple and Multiplication greedy, math	800	x25743
2137B	Fun Permutation constructive algorithms, math, number theory	900	x26335
2137A	Collatz Conjecture constructive algorithms, math	800	x35158
2136B	Like the Bitset constructive algorithms, greedy, two pointers	900	x20845
2136A	In the Dream greedy, math	800	x26030
2134A	Painting With Two Colors constructive algorithms, implementation, math	800	x26480
2133B	Villagers greedy	800	x25462
2133A	Redstone? brute force, data structures, implementation, math	800	x30869
2132B	The Secret Number math	900	x33377
2132A	Homework brute force, implementation, strings	800	x43151
2131B	Alternating Series constructive algorithms, greedy, math	800	x30863
2131A	Lever math	800	x38740
2130A	Submission is All You Need greedy, math	800	x28465

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