Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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Problems

#	Name
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x3124
2038C	DIY data structures, geometry, greedy, sortings	1400	x2817
2038A	Bonus Project games, greedy	1400	x2427
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x4211
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x6414
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x4418
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x7952
2033F	Kosuke's Sloth brute force, math, number theory	1800	x5212
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x9853
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x12575
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x4524
2032C	Trinity binary search, math, sortings, two pointers	1400	x11069
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers	1700	x5329
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x6223
2029C	New Rating binary search, data structures, dp, greedy	1700	x4789
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x5861
2028B	Alice's Adventures in Permuting binary search, implementation, math	1400	x8444
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x4687
2027C	Add Zeros brute force, data structures, dfs and similar, dp, graphs, greedy	1500	x8852
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x8585
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x5889
2023B	Skipping binary search, dp, graphs, shortest paths	1700	x4889
2022C	Gerrymandering dp, implementation	1800	x3869
2020D	Connect the Dots brute force, dp, dsu, graphs, math, trees	1800	x5667
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x14395
2018C	Tree Pruning brute force, dfs and similar, greedy, sortings, trees	1700	x6153
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10135
2014E	Rendez-vous de Marian et Robin dfs and similar, graphs, shortest paths	1800	x5598
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x12076
2013C	Password Cracking constructive algorithms, interactive, strings	1400	x11618
2010C2	Message Transmission Error (hard version) hashing, string suffix structures, strings, two pointers	1700	x3120
2010C1	Message Transmission Error (easy version) brute force, strings	1400	x6988
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x6525
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x13253
2009D	Satyam and Counting geometry, math	1400	x14337
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x5157
2008F	Sakurako's Box combinatorics, math, number theory	1400	x12499
2008E	Alternating String brute force, data structures, dp, greedy, implementation, strings	1500	x9990
2007C	Dora and C++ math, number theory	1500	x12228
2006B	Iris and the Tree brute force, data structures, dfs and similar, dsu, math, trees	1800	x3332
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x6760
2005C	Lazy Narek dp, implementation, strings	1800	x7030
2004D	Colored Portals binary search, brute force, data structures, graphs, greedy, implementation, shortest paths	1600	x10741
2003D1	Turtle and a MEX Problem (Easy Version) greedy, math	1500	x11147
2001C	Guess The Tree binary search, brute force, dfs and similar, divide and conquer, dsu, greedy, interactive, trees	1500	x10700
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x13268
1999G2	Ruler (hard version) binary search, interactive, ternary search	1700	x7895
1999G1	Ruler (easy version) binary search, interactive	1500	x10360
1999F	Expected Median combinatorics, math	1500	x10418
1997D	Maximize the Root binary search, dfs and similar, dp, greedy, trees	1500	x12534
1996E	Decode combinatorics, data structures, implementation, math	1600	x9837
1996D	Fun binary search, brute force, combinatorics, math, number theory	1500	x16013
1995C	Squaring brute force, constructive algorithms, greedy, implementation, math, number theory	1800	x8599
1995B2	Bouquet (Hard Version) binary search, data structures, greedy, math, sortings, two pointers	1700	x8801
1994C	Hungry Games binary search, dp, two pointers	1600	x10822
1993C	Light Switches implementation, math	1400	x13650
1992E	Novice's Mistake brute force, constructive algorithms, implementation, math, strings	1700	x9180
1990D	Grid Puzzle bitmasks, brute force, dp, greedy, implementation	1800	x6332
1990C	Mad MAD Sum brute force, greedy, math	1500	x11665
1989C	Two Movies greedy, math	1400	x18559
1987D	World is Mine dp, games	1800	x7188
1986E	Beautiful Array greedy, math, number theory, sortings	1700	x8868
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x15251
1985H1	Maximize the Largest Component (Easy Version) brute force, data structures, dfs and similar, dsu, graphs, implementation	1700	x5628
1985G	D-Function combinatorics, math, number theory	1600	x9462
1985F	Final Boss binary search, data structures	1500	x15414
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x7442
1983D	Swap Dilemma constructive algorithms, data structures, divide and conquer, greedy, math, sortings	1700	x8251
1983C	Have Your Cake and Eat It Too binary search, brute force, greedy, implementation	1400	x12608
1982D	Beauty of the mountains brute force, data structures, implementation, math, number theory	1700	x7188
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x5372
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10574
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x14359
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x6666
1978D	Elections data structures, greedy, implementation, math	1600	x11369
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10439
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x6075
1974E	Money Buys Happiness dp	1800	x8087
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14880
1974C	Beautiful Triple Pairs combinatorics, data structures	1400	x15846
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8412
1971G	XOUR data structures, dsu, sortings	1700	x9327
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x10075
1971E	Find the Car binary search, math, sortings	1500	x14394
1970E1	Trails (Easy) dp	1800	x2231
1970C2	Game on Tree (Medium) dfs and similar, dp, games, trees	1700	x2784
1970C1	Game on Tree (Easy) games	1400	x3512
1969C	Minimizing the Sum dp, implementation	1700	x8834
1968F	Equal XOR Segments binary search, data structures	1800	x5549
1968E	Cells Arrangement constructive algorithms	1600	x10491
1967B1	Reverse Card (Easy Version) brute force, math, number theory	1400	x13365
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12554
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x6776
1965A	Everything Nim games, greedy, math, sortings	1400	x13825
1958D	Staircase *special problem	1600	x534
1958C	Firewood *special problem	1500	x732
1958B	Clock in the Pool *special problem, math	1400	x906
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x9744
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x12989
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x7168

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