Problemset - Codeforces

Problems

#	Name
2218D	The 67th OEIS Problem constructive algorithms, greedy, greedy, greedy, math, math, number theory	1100	x18217
2218C	The 67th Permutation Problem constructive algorithms, greedy, math	800	x26124
2211B	Mickey Mouse Constructive constructive algorithms, dp, greedy, math	1100	x11547
2210A	A Simple Sequence constructive algorithms, dp, greedy, number theory	800	x22090
2208A	Bingo Candies constructive algorithms, math	800	x20081
2205A	Simons and Making It Beautiful brute force, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms	800	x17236
2192B	Flipping Binary String constructive algorithms, strings	1000	x14488
2191B	MEX Reordering constructive algorithms, sortings	1000	x19873
2191A	Array Coloring constructive algorithms	800	x27744
2188A	Divisible Permutation constructive algorithms	800	x25871
2185A	Perfect Root constructive algorithms, math	800	x42998
2183B	Yet Another MEX Problem constructive algorithms, greedy	1100	x16152
2182A	New Year String constructive algorithms, greedy, implementation, strings	800	x25302
2167C	Isamatdin and His Magic Wand! constructive algorithms, greedy, implementation, sortings	800	x36019
2162C	Beautiful XOR bitmasks, constructive algorithms, greedy	1100	x21304
2162B	Beautiful String brute force, constructive algorithms	1000	x27873
2158A	Suspension constructive algorithms, greedy, math	800	x23362
2156A	Pizza Time brute force, constructive algorithms, greedy	800	x26833
2155B	Abraham's Great Escape constructive algorithms, graphs	1100	x16970
2154B	Make it Zigzag constructive algorithms, greedy	1000	x19796
2148D	Destruction of the Dandelion Fields constructive algorithms, greedy, sortings	1000	x26709
2147B	Multiple Construction constructive algorithms	1000	x16942
2147A	Shortest Increasing Path constructive algorithms, greedy	800	x18621
2144B	Maximum Cost Permutation constructive algorithms, greedy	1000	x18460
2144A	Cut the Array brute force, constructive algorithms, math, number theory	800	x21669
2140B	Another Divisibility Problem constructive algorithms, math, number theory	900	x22113
2138A	Cake Assignment bitmasks, constructive algorithms, greedy	1100	x16988
2137B	Fun Permutation constructive algorithms, math, number theory	900	x26445
2137A	Collatz Conjecture constructive algorithms, math	800	x35285
2136B	Like the Bitset constructive algorithms, greedy, two pointers	900	x20913
2134A	Painting With Two Colors constructive algorithms, implementation, math	800	x26536
2131B	Alternating Series constructive algorithms, greedy, math	800	x30939
2130B	Pathless constructive algorithms	1100	x21384
2128B	Deque Process constructive algorithms, greedy, sortings, two pointers	1100	x21406
2127A	Mix Mex Max constructive algorithms, greedy, math	800	x19635
2125A	Difficult Contest constructive algorithms, implementation, sortings, strings	800	x27959
2122A	Greedy Grid constructive algorithms, greedy	800	x19195
2121B	Above the Clouds constructive algorithms, greedy, strings	800	x32487
2118A	Equal Subsequences constructive algorithms, greedy	800	x29106
2117B	Shrink constructive algorithms	800	x32153
2106B	St. Chroma constructive algorithms, greedy, math	900	x28363
2104C	Card Game brute force, constructive algorithms, games, greedy, math	1100	x17374
2102A	Dinner Time constructive algorithms, math	900	x21444
2096A	Wonderful Sticks constructive algorithms, greedy	800	x20555
2094B	Bobritto Bandito brute force, constructive algorithms	800	x33116
2092B	Lady Bug brute force, constructive algorithms, implementation, math	1000	x24800
2091C	Combination Lock constructive algorithms, greedy	1000	x28811
2085A	Serval and String Theory constructive algorithms, implementation	900	x23542
2084A	Max and Mod constructive algorithms, math	800	x17416
2082A	Binary Matrix constructive algorithms, greedy	800	x11196
2078B	Vicious Labyrinth constructive algorithms, graphs, greedy, implementation, math	1100	x18304
2072B	Having Been a Treasurer in the Past, I Help Goblins Deceive combinatorics, constructive algorithms, strings	900	x30926
2071B	Perfecto brute force, constructive algorithms, greedy, math	1100	x20872
2067A	Adjacent Digit Sums brute force, constructive algorithms, math	800	x25678
2065A	Skibidus and Amog'u brute force, constructive algorithms, greedy, implementation, strings	800	x55595
2064B	Variety is Discouraged binary search, constructive algorithms, greedy, two pointers	1100	x20108
2063B	Subsequence Update constructive algorithms, data structures, greedy, sortings	1100	x23176
2062A	String constructive algorithms, greedy, math, strings	800	x28270
2059A	Milya and Two Arrays constructive algorithms, greedy, sortings	800	x29184
2057A	MEX Table constructive algorithms, math	800	x27501
2056A	Shape Perimeter constructive algorithms, math	800	x26779
2055B	Crafting constructive algorithms, greedy, sortings	1000	x27270
2055A	Two Frogs constructive algorithms, games, greedy, math	800	x33633
2051C	Preparing for the Exam constructive algorithms, implementation	1000	x28000
2048B	Kevin and Permutation constructive algorithms, greedy	900	x20645
2044D	Harder Problem constructive algorithms, greedy, math	1100	x24087
2040B	Paint a Strip constructive algorithms, greedy, math	1000	x24095
2039B	Shohag Loves Strings constructive algorithms, greedy, implementation, strings	1000	x17285
2039A	Shohag Loves Mod constructive algorithms, number theory	800	x18120
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x25520
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x20565
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x28840
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x41150
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x20585
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x20942
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x23678
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x27577
2029B	Replacement constructive algorithms, games, strings	1100	x11725
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x20259
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x17038
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x17226
2013B	Battle for Survive constructive algorithms, greedy, math	900	x28233
2013A	Zhan's Blender constructive algorithms, math	800	x31222
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x41774
2005A	Simple Palindrome combinatorics, constructive algorithms, greedy, math	900	x26235
2002B	Removals Game constructive algorithms, games	1000	x22988
2002A	Distanced Coloring constructive algorithms, implementation, math	800	x21313
2001B	Generate Permutation constructive algorithms	800	x26101
1999B	Card Game brute force, constructive algorithms, implementation	1000	x41724
1998B	Minimize Equal Sum Subarrays constructive algorithms, math, number theory	1000	x28157
1998A	Find K Distinct Points with Fixed Center constructive algorithms, implementation, math	800	x26131
1997C	Even Positions constructive algorithms, data structures, greedy	1100	x25426
1997B	Make Three Regions constructive algorithms, two pointers	1100	x23468
1994B	Fun Game bitmasks, constructive algorithms, greedy, math	1100	x19480
1994A	Diverse Game constructive algorithms, greedy, implementation	800	x22281
1993B	Parity and Sum constructive algorithms, greedy	1100	x26439
1992C	Gorilla and Permutation constructive algorithms, math	900	x33241
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x49202
1991B	AND Reconstruction bitmasks, constructive algorithms, greedy	1100	x18897
1984A	Strange Splitting constructive algorithms	800	x22864