Problemset - Codeforces

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Codeforces Round 1101 (Div. 2)
01:48:46
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constructive algorithms

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Problems

#	Name
2162F	Beautiful Intervals constructive algorithms, greedy	2100	x2948
2162E	Beautiful Palindromes constructive algorithms, greedy, schedules	1600	x9473
2162C	Beautiful XOR bitmasks, constructive algorithms, greedy	1100	x21574
2162B	Beautiful String brute force, constructive algorithms	1000	x28170
2161C	Loyalty constructive algorithms, greedy, sortings, two pointers	1200	x12785
2159A	MAD Interactive Problem constructive algorithms, implementation, interactive	1700	x8378
2158F2	Distinct GCDs (Hard Version) combinatorics, constructive algorithms, graphs, math, number theory, number theory	3000	x261
2158F1	Distinct GCDs (Easy Version) constructive algorithms, graphs, math, number theory	2600	x418
2158D	Palindrome Flipping brute force, constructive algorithms, graphs, implementation, shortest paths, strings	2000	x3339
2158B	Split constructive algorithms, greedy, math	1200	x14198
2158A	Suspension constructive algorithms, greedy, math	800	x23640
2157H	Keygen 3 brute force, combinatorics, constructive algorithms, dfs and similar, math	3200	x133
2157G	Isaac's Queries bitmasks, brute force, constructive algorithms, dfs and similar, divide and conquer, dp, greedy, interactive, math, probabilities	2800	x460
2157F	Git Gud brute force, constructive algorithms, divide and conquer, math, ternary search	2400	x1370
2157C	Meximum Array 2 constructive algorithms, greedy, implementation, math	1400	x9711
2156D	Find the Last Number binary search, bitmasks, constructive algorithms, interactive	1900	x5424
2156A	Pizza Time brute force, constructive algorithms, greedy	800	x27067
2155D	Batteries brute force, constructive algorithms, graph matchings, graphs, interactive, math	1800	x5959
2155B	Abraham's Great Escape constructive algorithms, graphs	1100	x17215
2154F1	Bombing (Easy Version) brute force, combinatorics, constructive algorithms, implementation, math	2700	x572
2154D	Catshock constructive algorithms, dfs and similar, graphs, trees, two pointers	1900	x4828
2154B	Make it Zigzag constructive algorithms, greedy	1000	x20044
2153C	Symmetrical Polygons constructive algorithms, geometry, greedy, implementation, sortings	1500	x11924
2152E	Monotone Subsequence constructive algorithms, graphs, greedy, interactive, math	2100	x3062
2150F	Cycle Closing constructive algorithms, graphs, implementation, shortest paths, trees	3000	x205
2148D	Destruction of the Dandelion Fields constructive algorithms, greedy, sortings	1000	x27039
2147I2	Longest Increasing Path (Hard Version) constructive algorithms, math	3500	x108
2147I1	Longest Increasing Path (Easy Version) constructive algorithms, math	3300	x136
2147H	Maxflow GCD Coloring constructive algorithms, flows, graphs	3500	x235
2147C	Rabbits constructive algorithms, dp, greedy, implementation	1500	x10122
2147B	Multiple Construction constructive algorithms	1000	x17395
2147A	Shortest Increasing Path constructive algorithms, greedy	800	x19007
2146E	Yet Another MEX Problem brute force, constructive algorithms, data structures, divide and conquer, greedy, hashing	2300	x2090
2146D2	Max Sum OR (Hard Version) bitmasks, constructive algorithms, divide and conquer, greedy	2000	x4110
2146D1	Max Sum OR (Easy Version) bitmasks, constructive algorithms, divide and conquer, greedy, trees	1500	x10672
2146C	Wrong Binary Search binary search, constructive algorithms	1300	x13498
2145D	Inversion Value of a Permutation constructive algorithms, dfs and similar, dp	1800	x6757
2144F	Bracket Groups brute force, constructive algorithms, dp, string suffix structures, strings	2700	x966
2144B	Maximum Cost Permutation constructive algorithms, greedy	1000	x18710
2144A	Cut the Array brute force, constructive algorithms, math, number theory	800	x21858
2143E	Make Good constructive algorithms, greedy, math, strings	2400	x1975
2143C	Max Tree constructive algorithms, dfs and similar, graphs, greedy	1300	x14325
2140B	Another Divisibility Problem constructive algorithms, math, number theory	900	x22462
2138F	Ode to the Bridge Builder constructive algorithms, geometry	3500	x83
2138E2	Determinant Construction (Hard Version) brute force, constructive algorithms, math, matrices, number theory	3100	x186
2138E1	Determinant Construction (Easy Version) brute force, constructive algorithms, math, matrices, number theory	3100	x243
2138A	Cake Assignment bitmasks, constructive algorithms, greedy	1100	x17189
2137D	Replace with Occurrences constructive algorithms	1200	x19773
2137B	Fun Permutation constructive algorithms, math, number theory	900	x26697
2137A	Collatz Conjecture constructive algorithms, math	800	x35538
2136B	Like the Bitset constructive algorithms, greedy, two pointers	900	x21159
2135D2	From the Unknown (Hard Version) brute force, constructive algorithms, interactive, math	2500	x1008
2135D1	From the Unknown (Easy Version) constructive algorithms, interactive, math	2100	x2632
2135B	For the Champion constructive algorithms, interactive, math	1700	x7622
2134E	Power Boxes constructive algorithms, dp, implementation, interactive	2300	x2429
2134D	Sliding Tree constructive algorithms, dfs and similar, greedy, implementation, trees	2300	x3683
2134B	Add 0 or K constructive algorithms, math, number theory	1200	x21188
2134A	Painting With Two Colors constructive algorithms, implementation, math	800	x26793
2133E	I Yearned For The Mines constructive algorithms, dfs and similar, dp, greedy, trees	2500	x1719
2131H	Sea, You & copriMe brute force, constructive algorithms, graphs, greedy, math, number theory	2600	x892
2131B	Alternating Series constructive algorithms, greedy, math	800	x31136
2130B	Pathless constructive algorithms	1100	x21642
2129C3	Interactive RBS (Hard Version) binary search, bitmasks, constructive algorithms, dp, interactive	2300	x1707
2129C2	Interactive RBS (Medium Version) binary search, bitmasks, constructive algorithms, interactive	2000	x2576
2129C1	Interactive RBS (Easy Version) binary search, bitmasks, constructive algorithms, interactive	1900	x3955
2129A	Double Perspective constructive algorithms, dp, dsu, graphs, greedy, sortings	1300	x17089
2128E2	Submedians (Hard Version) binary search, constructive algorithms, data structures, math, two pointers	2600	x804
2128B	Deque Process constructive algorithms, greedy, sortings, two pointers	1100	x21654
2127G2	Inter Active (Hard Version) binary search, bitmasks, constructive algorithms, graphs, implementation, interactive, math, probabilities	3500	x113
2127G1	Inter Active (Easy Version) binary search, constructive algorithms, interactive, probabilities	3400	x106
2127E	Ancient Tree constructive algorithms, data structures, dfs and similar, dsu, greedy, trees	2100	x3048
2127A	Mix Mex Max constructive algorithms, greedy, math	800	x19998
2125A	Difficult Contest constructive algorithms, implementation, sortings, strings	800	x28205
2124I	Lexicographic Partition constructive algorithms, math, trees	3500	x220
2124E	Make it Zero constructive algorithms, greedy, math	2100	x4025
2124C	Subset Multiplication constructive algorithms, greedy, math, number theory	1300	x15003
2123F	Minimize Fixed Points constructive algorithms, number theory	1700	x9853
2123D	Binary String Battle constructive algorithms, games, greedy	1200	x22066
2122F	Colorful Polygon constructive algorithms, divide and conquer, geometry	3400	x134
2122C	Manhattan Pairs constructive algorithms, geometry, greedy, math, sortings	1700	x8685
2122A	Greedy Grid constructive algorithms, greedy	800	x19551
2121B	Above the Clouds constructive algorithms, greedy, strings	800	x32620
2120C	Divine Tree constructive algorithms, greedy, math, sortings, trees	1400	x12719
2119C	A Good Problem bitmasks, constructive algorithms, math	1300	x16438
2118E	Grid Coloring constructive algorithms, geometry, greedy, math	2400	x1432
2118B	Make It Permutation constructive algorithms	1200	x20154
2118A	Equal Subsequences constructive algorithms, greedy	800	x29232
2117B	Shrink constructive algorithms	800	x32322
2115B	Gellyfish and Camellia Japonica brute force, constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2100	x4171
2115A	Gellyfish and Flaming Peony constructive algorithms, dp, math, number theory	1500	x15343
2114G	Build an Array brute force, constructive algorithms, dp, greedy, math, number theory	2200	x2048
2113F	Two Arrays constructive algorithms, dfs and similar, graphs, math	2500	x959
2113D	Cheater binary search, constructive algorithms, greedy, implementation	2200	x2909
2113C	Smilo and Minecraft brute force, constructive algorithms, greedy	1700	x8060
2113B	Good Start constructive algorithms, math	1200	x14753
2112D	Reachability and Tree constructive algorithms, dfs and similar, graphs, trees	1700	x9547
2111F	Puzzle brute force, constructive algorithms, greedy, math	2400	x1433
2111D	Creating a Schedule constructive algorithms, data structures, greedy, implementation, sortings	1400	x12113
2110C	Racing constructive algorithms, greedy	1400	x15956
2109C3	Hacking Numbers (Hard Version) constructive algorithms, interactive, math, number theory	2600	x3240

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