Problemset - Codeforces

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Problems

#	Name
2014E	Rendez-vous de Marian et Robin dfs and similar, graphs, shortest paths	1800	x4251
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x9484
2013C	Password Cracking constructive algorithms, interactive, strings	1400	x9904
2010C2	Message Transmission Error (hard version) hashing, string suffix structures, strings, two pointers	1700	x2605
2010C1	Message Transmission Error (easy version) brute force, strings	1400	x6043
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x5759
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x11676
2009D	Satyam and Counting geometry, math	1400	x12769
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x4572
2008F	Sakurako's Box combinatorics, math, number theory	1400	x11455
2008E	Alternating String brute force, data structures, dp, greedy, implementation, strings	1500	x8766
2007C	Dora and C++ math, number theory	1500	x11048
2006B	Iris and the Tree brute force, data structures, dfs and similar, dsu, math, trees	1800	x2916
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x6084
2005C	Lazy Narek dp, implementation, strings	1800	x6241
2004D	Colored Portals binary search, brute force, data structures, graphs, greedy, implementation, shortest paths	1600	x10007
2003D1	Turtle and a MEX Problem (Easy Version) greedy, math	1500	x10451
2001C	Guess The Tree binary search, brute force, dfs and similar, divide and conquer, dsu, greedy, interactive, trees	1500	x10179
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x12537
1999G2	Ruler (hard version) binary search, interactive, ternary search	1700	x7424
1999G1	Ruler (easy version) binary search, interactive	1500	x9573
1999F	Expected Median combinatorics, math	1500	x9706
1997D	Maximize the Root binary search, dfs and similar, dp, greedy, trees	1500	x11824
1996E	Decode combinatorics, data structures, implementation, math	1600	x9083
1996D	Fun binary search, brute force, combinatorics, math, number theory	1500	x15095
1995C	Squaring brute force, constructive algorithms, greedy, implementation, math, number theory	1800	x8203
1995B2	Bouquet (Hard Version) binary search, data structures, greedy, math, sortings, two pointers	1700	x8383
1994C	Hungry Games binary search, dp, two pointers	1600	x10217
1993C	Light Switches implementation, math	1400	x13030
1992E	Novice's Mistake brute force, constructive algorithms, implementation, math, strings	1700	x8811
1990D	Grid Puzzle bitmasks, brute force, dp, greedy, implementation	1800	x6003
1990C	Mad MAD Sum brute force, greedy, math	1500	x11034
1989C	Two Movies greedy, math	1400	x17833
1987D	World is Mine dp, games	1800	x6879
1986E	Beautiful Array greedy, math, number theory, sortings	1700	x8441
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x14784
1985H1	Maximize the Largest Component (Easy Version) brute force, data structures, dfs and similar, dsu, graphs, implementation	1700	x5400
1985G	D-Function combinatorics, math, number theory	1600	x8987
1985F	Final Boss binary search, data structures	1500	x14706
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x7099
1983D	Swap Dilemma constructive algorithms, data structures, divide and conquer, greedy, math, sortings	1700	x7927
1983C	Have Your Cake and Eat It Too binary search, brute force, greedy, implementation	1400	x12114
1982D	Beauty of the mountains brute force, data structures, implementation, math, number theory	1700	x6895
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x5155
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10155
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x13903
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x6410
1978D	Elections data structures, greedy, implementation, math	1600	x10883
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10071
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x5815
1974E	Money Buys Happiness dp	1800	x7729
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14432
1974C	Beautiful Triple Pairs combinatorics, data structures	1400	x15398
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8143
1971G	XOUR data structures, dsu, sortings	1700	x8947
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x9661
1971E	Find the Car binary search, math, sortings	1500	x13838
1970E1	Trails (Easy) dp	1800	x2034
1970C2	Game on Tree (Medium) dfs and similar, dp, games, trees	1700	x2525
1970C1	Game on Tree (Easy) games	1400	x3228
1969C	Minimizing the Sum dp, implementation	1700	x8455
1968F	Equal XOR Segments binary search, data structures	1800	x5332
1968E	Cells Arrangement constructive algorithms	1600	x10161
1967B1	Reverse Card (Easy Version) brute force, math, number theory	1400	x12979
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12202
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x6546
1965A	Everything Nim games, greedy, math, sortings	1400	x13377
1958D	Staircase *special problem	1600	x497
1958C	Firewood *special problem	1500	x678
1958B	Clock in the Pool *special problem, math	1400	x867
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x9427
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x12658
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x6942
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x8436
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x15049
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x5957
1951C	Ticket Hoarding greedy, math, sortings	1400	x11433
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x8973
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x14142
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1756
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x3070
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x9245
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x10687
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7982
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6076
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5902
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x9528
1938H	Pho Restaurant	1600	x2115
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x7344
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x8124
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x8069
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6698
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x11058
1932E	Final Countdown implementation, math, number theory	1600	x8046
1932D	Card Game greedy, implementation	1400	x11296
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x15518
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x7921
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x15582
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x4070
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6971

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