Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
16:13:30
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Problems

#	Name
2010C2	Message Transmission Error (hard version) hashing, string suffix structures, strings, two pointers	1700	x2286
2010C1	Message Transmission Error (easy version) brute force, strings	1400	x5455
2010B	Three Brothers brute force, implementation, math	800	x14851
2010A	Alternating Sum of Numbers brute force, implementation, math	800	x12344
2009G3	Yunli's Subarray Queries (extreme version) data structures, dp, implementation	2700	x244
2009G2	Yunli's Subarray Queries (hard version) binary search, data structures, dp	2200	x910
2009G1	Yunli's Subarray Queries (easy version) binary search, data structures, two pointers	1900	x3071
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x5364
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x10890
2009D	Satyam and Counting geometry, math	1400	x12030
2009C	The Legend of Freya the Frog implementation, math	1100	x21673
2009B	osu!mania brute force, implementation	800	x35767
2009A	Minimize! brute force, math	800	x42370
2008H	Sakurako's Test binary search, brute force, greedy, math, number theory	2100	x2360
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x4224
2008F	Sakurako's Box combinatorics, math, number theory	1400	x10938
2008E	Alternating String brute force, data structures, dp, greedy, implementation, strings	1500	x8259
2008D	Sakurako's Hobby dp, dsu, graphs, math	1100	x17096
2008C	Longest Good Array binary search, brute force, math	800	x26788
2008B	Square or Not brute force, math, strings	800	x25613
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x31047
2007C	Dora and C++ math, number theory	1500	x10496
2007B	Index and Maximum Value data structures, greedy	900	x18667
2007A	Dora's Set greedy, math, number theory	800	x20649
2006F	Dora's Paint brute force, combinatorics, constructive algorithms, graphs, implementation	3500	x82
2006E	Iris's Full Binary Tree brute force, data structures, dfs and similar, trees	3100	x184
2006D	Iris and Adjacent Products data structures, greedy, implementation, math	2600	x544
2006C	Eri and Expanded Sets data structures, divide and conquer, math, number theory, two pointers	2300	x1378
2006B	Iris and the Tree brute force, data structures, dfs and similar, dsu, math, trees	1800	x2741
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x5735
2005E2	Subtangle Game (Hard Version) data structures, dp, games, greedy, implementation		x542
2005E1	Subtangle Game (Easy Version) dp, games, greedy, implementation		x2007
2005D	Alter the GCD binary search, data structures, divide and conquer, implementation, number theory		x552
2005C	Lazy Narek dp, implementation, strings		x5549
2005B2	The Strict Teacher (Hard Version) binary search, greedy, math, sortings		x13998
2005B1	The Strict Teacher (Easy Version) greedy, math, sortings		x16070
2005A	Simple Palindrome combinatorics, constructive algorithms, greedy		x18140
2004G	Substring Compression data structures, dp, matrices	3200	x265
2004F	Make a Palindrome binary search, brute force, data structures, greedy, math	2600	x988
2004E	Not a Nim Problem brute force, games, math, number theory	2100	x3694
2004D	Colored Portals binary search, brute force, data structures, graphs, greedy, implementation, shortest paths	1600	x9797
2004C	Splitting Items games, greedy, sortings	1100	x21615
2004B	Game with Doors brute force, greedy	1000	x23831
2004A	Closest Point implementation, math	800	x28435
2003F	Turtle and Three Sequences brute force, data structures, dp, greedy, math, probabilities, two pointers	2800	x346
2003E2	Turtle and Inversions (Hard Version) brute force, data structures, divide and conquer, dp, greedy, math, two pointers	2700	x451
2003E1	Turtle and Inversions (Easy Version) brute force, divide and conquer, dp, greedy, math	2600	x638
2003D2	Turtle and a MEX Problem (Hard Version) dfs and similar, dp, graphs, greedy, implementation, math	2100	x3638
2003D1	Turtle and a MEX Problem (Easy Version) greedy, math	1500	x10219
2003C	Turtle and Good Pairs constructive algorithms, greedy, sortings, strings	1200	x16691
2003B	Turtle and Piggy Are Playing a Game 2 games, greedy, sortings	800	x23499
2003A	Turtle and Good Strings greedy, strings	800	x27030
2002H	Counting 101 greedy	3500	x61
2002G	Lattice Optimizing bitmasks, brute force, hashing, meet-in-the-middle	3400	x196
2002F2	Court Blue (Hard Version) brute force, dp, math, number theory	2800	x389
2002F1	Court Blue (Easy Version) brute force, dfs and similar, dp, math, number theory	2600	x763
2002E	Cosmic Rays brute force, data structures, dp	2300	x2232
2002D2	DFS Checker (Hard Version) binary search, data structures, dfs and similar, graphs, hashing, trees	2300	x2190
2002D1	DFS Checker (Easy Version) brute force, data structures, dfs and similar, graphs, hashing, trees	1900	x4070
2002C	Black Circles brute force, geometry, greedy, math	1200	x13997
2002B	Removals Game constructive algorithms, games	1000	x17252
2002A	Distanced Coloring constructive algorithms, implementation, math	800	x18519
2001E2	Deterministic Heap (Hard Version) combinatorics, dp, trees	2900	x180
2001E1	Deterministic Heap (Easy Version) combinatorics, dp, math, trees	2400	x1119
2001D	Longest Max Min Subsequence brute force, constructive algorithms, data structures, greedy, implementation	1900	x4596
2001C	Guess The Tree binary search, brute force, dfs and similar, divide and conquer, dsu, greedy, interactive, trees	1500	x9999
2001B	Generate Permutation constructive algorithms	800	x23006
2001A	Make All Equal greedy, implementation	800	x28125
2000H	Ksyusha and the Loaded Set binary search, brute force, data structures, implementation	2200	x1485
2000G	Call During the Journey binary search, brute force, graphs, greedy, shortest paths	2100	x2024
2000F	Color Rows and Columns dp, greedy, implementation, math	1900	x4908
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x12303
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x21236
2000C	Numeric String Template data structures, strings	1000	x23717
2000B	Seating in a Bus two pointers	800	x31930
2000A	Primary Task implementation, math, strings	800	x35009
1999G2	Ruler (hard version) binary search, interactive, ternary search	1700	x6948
1999G1	Ruler (easy version) binary search, interactive	1500	x9371
1999F	Expected Median combinatorics, math	1500	x9536
1999E	Triple Operations dp, implementation, math	1300	x17195
1999D	Slavic's Exam greedy, implementation, strings	1100	x25211
1999C	Showering greedy, implementation	800	x32891
1999B	Card Game brute force, constructive algorithms, implementation	1000	x29944
1999A	A+B Again? implementation, math	800	x47528
1998E2	Eliminating Balls With Merging (Hard Version) binary search, brute force, data structures, divide and conquer, greedy, implementation	2500	x612
1998E1	Eliminating Balls With Merging (Easy Version) binary search, brute force, data structures, divide and conquer, greedy	2200	x1675
1998D	Determine Winning Islands in Race data structures, dp, graphs, greedy, shortest paths	2100	x2975
1998C	Perform Operations to Maximize Score binary search, brute force, constructive algorithms, greedy, implementation	1900	x5710
1998B	Minimize Equal Sum Subarrays constructive algorithms, math, number theory	1000	x22339
1998A	Find K Distinct Points with Fixed Center constructive algorithms, implementation, math	800	x22974
1997F	Chips on a Line brute force, combinatorics, dp, greedy, math	2700	x830
1997E	Level Up binary search, brute force, data structures, divide and conquer, implementation	2200	x2656
1997D	Maximize the Root binary search, dfs and similar, dp, greedy, trees	1500	x11637
1997C	Even Positions constructive algorithms, data structures, greedy	1100	x20549
1997B	Make Three Regions constructive algorithms, two pointers	1100	x19687
1997A	Strong Password brute force, implementation, strings	800	x27422
1996G	Penacony brute force, data structures, graphs, greedy, hashing	2200	x1506
1996F	Bomb binary search, greedy, math	1900	x4331
1996E	Decode combinatorics, data structures, implementation, math	1600	x8921
1996D	Fun binary search, brute force, combinatorics, math, number theory	1500	x14834

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