Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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constructive algorithms

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Problems

#	Name
2057G	Secret Message constructive algorithms, dfs and similar, math	3000	x434
2057C	Trip to the Olympiad bitmasks, constructive algorithms, greedy, math	1500	x10170
2057A	MEX Table constructive algorithms, math	800	x23025
2056C	Palindromic Subsequences brute force, constructive algorithms, math		x12594
2056A	Shape Perimeter constructive algorithms, math		x21324
2055E	Haystacks brute force, constructive algorithms, data structures, greedy, sortings		x228
2055C	The Trail brute force, constructive algorithms, greedy, math, two pointers		x12431
2055B	Crafting constructive algorithms, greedy, sortings		x20780
2055A	Two Frogs constructive algorithms, games, greedy, math		x26676
2053H	Delicate Anti-monotonous Operations constructive algorithms, implementation	3500	x39
2052F	Fix Flooded Floor constructive algorithms, dp, graphs	1700	x1749
2052C	Cactus without Bridges constructive algorithms, math	3500	x21
2052A	Adrenaline Rush constructive algorithms	1600	x2088
2051C	Preparing for the Exam constructive algorithms, implementation	1000	x20489
2049E	Broken Queries binary search, bitmasks, brute force, constructive algorithms, implementation, interactive	2400	x1118
2049C	MEX Cycle brute force, constructive algorithms, greedy, implementation	1500	x10076
2049B	pspspsps brute force, constructive algorithms, graph matchings, implementation	1300	x14401
2048I1	Kevin and Puzzle (Easy Version) constructive algorithms	3500	x53
2048E	Kevin and Bipartite Graph constructive algorithms, graphs, greedy	2000	x2563
2048B	Kevin and Permutation constructive algorithms, greedy	900	x16602
2046F2	Yandex Cuneiform (Hard Version) constructive algorithms, data structures, greedy, implementation	3500	x38
2046F1	Yandex Cuneiform (Easy Version) constructive algorithms, data structures, greedy	3300	x59
2046E1	Cheops and a Contest (Easy Version) constructive algorithms, greedy	2900	x132
2045L	Buggy DFS constructive algorithms	3000	x81
2044H	Hard Demon Problem constructive algorithms, data structures, dp, implementation, math	2100	x1478
2044D	Harder Problem constructive algorithms, greedy, math	1100	x18093
2041E	Beautiful Array constructive algorithms, math	1200	x5880
2040D	Non Prime Tree brute force, constructive algorithms, dfs and similar, greedy, number theory, trees, two pointers	1900	x4269
2040C	Ordered Permutations bitmasks, combinatorics, constructive algorithms, greedy, math, two pointers	1600	x8041
2040B	Paint a Strip constructive algorithms, greedy, math	1000	x18601
2039H2	Cool Swap Walk (Hard Version) constructive algorithms, constructive algorithms, constructive algorithms, implementation, sortings	3500	x46
2039H1	Cool Swap Walk (Easy Version) constructive algorithms, implementation, sortings	3500	x67
2039D	Shohag Loves GCD constructive algorithms, greedy, math, number theory	1700	x5238
2039B	Shohag Loves Strings constructive algorithms, greedy, implementation, strings	1000	x13194
2039A	Shohag Loves Mod constructive algorithms, number theory	800	x15497
2038G	Guess One Character constructive algorithms, implementation, interactive	1900	x2138
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x19906
2036G	Library of Magic binary search, constructive algorithms, divide and conquer, interactive, math, number theory	2200	x1276
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x7468
2035H	Peak Productivity Forces constructive algorithms	3500	x66
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1668
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x9024
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x16737
2034G1	Simurgh's Watch (Easy Version) constructive algorithms, greedy, implementation, sortings	3500	x43
2034E	Permutations Harmony combinatorics, constructive algorithms, greedy, hashing, math	2200	x1569
2034D	Darius' Wisdom constructive algorithms, greedy, implementation, sortings	1600	x4882
2034C	Trapped in the Witch's Labyrinth constructive algorithms, dfs and similar, graphs, implementation	1400	x6578
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x24585
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x35236
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x1108
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x5027
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x17278
2031F	Penchick and Even Medians binary search, constructive algorithms, interactive, probabilities	2800	x331
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x12198
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x17839
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x21107
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x24696
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x706
2029E	Common Generator brute force, constructive algorithms, math, number theory	2100	x2728
2029D	Cool Graph constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees	1900	x2992
2029B	Replacement constructive algorithms, games, strings	1100	x9464
2028D	Alice's Adventures in Cards constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search	2000	x2838
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x9825
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x13210
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x17241
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x765
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x14226
2023C	C+K+S constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings	2400	x1055
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x13220
2022E1	Billetes MX (Easy Version) 2-sat, binary search, combinatorics, constructive algorithms, dfs and similar, dsu, graphs	2500	x471
2022D2	Asesino (Hard Version) constructive algorithms, dp, interactive	2700	x588
2022D1	Asesino (Easy Version) binary search, brute force, constructive algorithms, implementation, interactive	1900	x3085
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x14713
2021C2	Adjust The Presentation (Hard Version) constructive algorithms, data structures, greedy, implementation, sortings	1900	x3757
2021C1	Adjust The Presentation (Easy Version) constructive algorithms, greedy	1300	x12032
2013C	Password Cracking constructive algorithms, interactive, strings	1400	x12173
2013B	Battle for Survive constructive algorithms, greedy, math	900	x24187
2013A	Zhan's Blender constructive algorithms, math	800	x28216
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x36548
2006F	Dora's Paint brute force, combinatorics, constructive algorithms, graphs, implementation	3500	x123
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x7058
2005A	Simple Palindrome combinatorics, constructive algorithms, greedy, math	900	x22620
2003C	Turtle and Good Pairs constructive algorithms, greedy, sortings, strings	1200	x19013
2002B	Removals Game constructive algorithms, games	1000	x19748
2002A	Distanced Coloring constructive algorithms, implementation, math	800	x19847
2001D	Longest Max Min Subsequence brute force, constructive algorithms, data structures, greedy, implementation	1900	x5221
2001B	Generate Permutation constructive algorithms	800	x24452
1999B	Card Game brute force, constructive algorithms, implementation	1000	x34373
1998C	Perform Operations to Maximize Score binary search, brute force, constructive algorithms, greedy, implementation	1900	x6324
1998B	Minimize Equal Sum Subarrays constructive algorithms, math, number theory	1000	x24718
1998A	Find K Distinct Points with Fixed Center constructive algorithms, implementation, math	800	x24522
1997C	Even Positions constructive algorithms, data structures, greedy	1100	x22743
1997B	Make Three Regions constructive algorithms, two pointers	1100	x21196
1995C	Squaring brute force, constructive algorithms, greedy, implementation, math, number theory	1800	x8898
1994H	Fortnite combinatorics, constructive algorithms, games, greedy, hashing, interactive, math, number theory, strings	3500	x713
1994F	Stardew Valley constructive algorithms, dfs and similar, graphs, trees	2500	x1257
1994D	Funny Game constructive algorithms, dsu, graphs, greedy, math, number theory, trees	1900	x5966
1994B	Fun Game bitmasks, constructive algorithms, greedy, math	1100	x17168
1994A	Diverse Game constructive algorithms, greedy, implementation	800	x20616
1993F1	Dyn-scripted Robot (Easy Version) brute force, chinese remainder theorem, constructive algorithms, math, number theory	2400	x1033

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