Problemset - Codeforces

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Educational Codeforces Round 189 (Rated for Div. 2)
26:53:30
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Problems

#	Name
2218C	The 67th Permutation Problem constructive algorithms, greedy, math	800	x24706
2218B	The 67th 6-7 Integer Problem greedy, math	800	x31239
2218A	The 67th Integer Problem brute force, games, implementation, math	800	x32225
2217A	The Equalizer math	800	x20481
2216A	Course Wishes greedy	900	x3794
2211A	Antimedian Deletion implementation, math	800	x15514
2210B	Simply Sitting on Chairs data structures, greedy	900	x16970
2210A	A Simple Sequence constructive algorithms, dp, greedy, number theory	800	x21493
2209B	Array greedy	900	x18876
2209A	Flip Flops greedy	800	x20937
2208A	Bingo Candies constructive algorithms, math	800	x19633
2207A	1-1 greedy, strings	800	x13337
2205B	Simons and Cakes for Success implementation, math, math	800	x15806
2205A	Simons and Making It Beautiful brute force, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms	800	x16966
2204B	Right Maximum greedy	800	x19017
2204A	Passing the Ball brute force, implementation	800	x21257
2203A	Towers of Boxes math	800	x17544
2202A	Parkour Design math, math, math, math	800	x16126
2200C	Specialty String brute force, greedy, strings	900	x21061
2200B	Deletion Sort bitmasks, brute force, greedy, sortings	800	x24700
2200A	Eating Game greedy	800	x27232
2197A	Friendly Numbers binary search, brute force, expression parsing, math, schedules	800	x22636
2195B	Heapify 1 implementation, sortings	900	x24490
2195A	Sieve of Erato67henes math, number theory	800	x34917
2194A	Lawn Mower greedy, math	800	x23593
2193B	Reverse a Permutation greedy	800	x29911
2193A	DBMB and the Array brute force, math	800	x42341
2192A	String Rotation Game brute force, strings	800	x17723
2191A	Array Coloring constructive algorithms	800	x27603
2189A	Table with Numbers greedy, implementation	800	x24249
2188A	Divisible Permutation constructive algorithms	800	x25742
2185C	Shifted MEX implementation, sortings	900	x28681
2185B	Prefix Max greedy	800	x40196
2185A	Perfect Root constructive algorithms, math	800	x42588
2184A	Social Experiment math	800	x37742
2183A	Binary Array Game games	800	x23583
2182B	New Year Cake brute force	800	x23314
2182A	New Year String constructive algorithms, greedy, implementation, strings	800	x25185
2180B	Ashmal greedy, strings	800	x24469
2180A	Carnival Wheel brute force, number theory	800	x25776
2179B	Blackslex and Showering dp, greedy, implementation	800	x28188
2179A	Blackslex and Password math, strings	800	x34228
2178B	Impost or Sus dp, greedy, implementation, strings	900	x21480
2178A	Yes or Yes greedy, strings	800	x25533
2176A	Operations with Inversions greedy, implementation, math	800	x28910
2175A	Little Fairy's Painting implementation	800	x18614
2173A	Sleeping Through Classes greedy, implementation	800	x23652
2172A	ASCII Art Contest implementation	800	x14416
2171B	Yuu Koito and Minimum Absolute Sum math	900	x26908
2171A	Shizuku Hoshikawa and Farm Legs brute force, math	800	x37005
2170A	Maximum Neighborhood bitmasks, brute force, greedy, implementation, math	800	x19791
2169A	Alice and Bob greedy, implementation	900	x18925
2167C	Isamatdin and His Magic Wand! constructive algorithms, greedy, implementation, sortings	800	x35848
2167B	Your Name sortings, strings	800	x51385
2167A	Square? math, sortings	800	x57820
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	x19502
2162A	Beautiful Average brute force, greedy	800	x41356
2161A	Round Trip games, greedy, implementation, math	800	x15664
2160A	MEX Partition math	800	x22365
2158A	Suspension constructive algorithms, greedy, math	800	x23242
2157B	Expansion Plan 2 implementation, math	900	x12778
2157A	Dungeon Equilibrium greedy, implementation, sortings	800	x16406
2156A	Pizza Time brute force, constructive algorithms, greedy	800	x26739
2155A	El fucho implementation, math	800	x25077
2154A	Notelock greedy, two pointers	800	x23063
2153B	Bitwise Reversion bitmasks, greedy	800	x22518
2153A	Circle of Apple Trees greedy, sortings	800	x26289
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	x32904
2149A	Be Positive math	800	x40691
2148C	Pacer greedy, math	900	x25219
2148B	Lasers geometry	800	x32887
2148A	Sublime Sequence brute force, hashing, math	800	x47064
2147A	Shortest Increasing Path constructive algorithms, greedy	800	x18558
2146A	Equal Occurrences brute force, greedy, implementation	800	x21752
2145A	Candies for Nephews math	800	x30607
2144A	Cut the Array brute force, constructive algorithms, math, number theory	800	x21626
2143A	All Lengths Subtraction brute force, two pointers	800	x20647
2141A	Furniture Store *special problem, implementation	800	x1600
2140B	Another Divisibility Problem constructive algorithms, math, number theory	900	x22040
2140A	Shift Sort greedy, sortings	800	x22192
2139B	Cake Collection greedy	800	x20768
2139A	Maple and Multiplication greedy, math	800	x25743
2137B	Fun Permutation constructive algorithms, math, number theory	900	x26337
2137A	Collatz Conjecture constructive algorithms, math	800	x35159
2136B	Like the Bitset constructive algorithms, greedy, two pointers	900	x20848
2136A	In the Dream greedy, math	800	x26030
2134A	Painting With Two Colors constructive algorithms, implementation, math	800	x26480
2133B	Villagers greedy	800	x25464
2133A	Redstone? brute force, data structures, implementation, math	800	x30870
2132B	The Secret Number math	900	x33380
2132A	Homework brute force, implementation, strings	800	x43153
2131B	Alternating Series constructive algorithms, greedy, math	800	x30863
2131A	Lever math	800	x38740
2130A	Submission is All You Need greedy, math	800	x28467

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