Problemset - Codeforces

Problems

#	Name
2001D	Longest Max Min Subsequence brute force, constructive algorithms, data structures, greedy, implementation	1900	x4995
2001C	Guess The Tree binary search, brute force, dfs and similar, divide and conquer, dsu, greedy, interactive, trees	1500	x10626
2001B	Generate Permutation constructive algorithms	800	x23934
2001A	Make All Equal greedy, implementation	800	x29416
2000H	Ksyusha and the Loaded Set binary search, brute force, data structures, implementation	2200	x1647
2000G	Call During the Journey binary search, brute force, graphs, greedy, shortest paths	2100	x2281
2000F	Color Rows and Columns dp, greedy, implementation, math	1900	x5348
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x13191
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x22800
2000C	Numeric String Template data structures, strings	1000	x25212
2000B	Seating in a Bus two pointers	800	x33614
2000A	Primary Task implementation, math, strings	800	x37096
1999G2	Ruler (hard version) binary search, interactive, ternary search	1700	x7835
1999G1	Ruler (easy version) binary search, interactive	1500	x10251
1999F	Expected Median combinatorics, math	1500	x10316
1999E	Triple Operations dp, implementation, math	1300	x18557
1999D	Slavic's Exam greedy, implementation, strings	1100	x26835
1999C	Showering greedy, implementation	800	x34876
1999B	Card Game brute force, constructive algorithms, implementation	1000	x32166
1999A	A+B Again? implementation, math	800	x54398
1998E2	Eliminating Balls With Merging (Hard Version) binary search, brute force, data structures, divide and conquer, greedy, implementation	2500	x687
1998E1	Eliminating Balls With Merging (Easy Version) binary search, brute force, data structures, divide and conquer, greedy	2200	x1824
1998D	Determine Winning Islands in Race data structures, dp, graphs, greedy, shortest paths	2100	x3297
1998C	Perform Operations to Maximize Score binary search, brute force, constructive algorithms, greedy, implementation	1900	x6101
1998B	Minimize Equal Sum Subarrays constructive algorithms, math, number theory	1000	x23628
1998A	Find K Distinct Points with Fixed Center constructive algorithms, implementation, math	800	x23847
1997F	Chips on a Line brute force, combinatorics, dp, greedy, math	2700	x898
1997E	Level Up binary search, brute force, data structures, divide and conquer, implementation	2200	x3116
1997D	Maximize the Root binary search, dfs and similar, dp, greedy, trees	1500	x12446
1997C	Even Positions constructive algorithms, data structures, greedy	1100	x21926
1997B	Make Three Regions constructive algorithms, two pointers	1100	x20570
1997A	Strong Password brute force, implementation, strings	800	x28892
1996G	Penacony brute force, data structures, graphs, greedy, hashing	2200	x1753
1996F	Bomb binary search, greedy, math	1900	x4738
1996E	Decode combinatorics, data structures, implementation, math	1600	x9740
1996D	Fun binary search, brute force, combinatorics, math, number theory	1500	x15891
1996C	Sort dp, greedy, sortings, strings	1200	x22808
1996B	Scale greedy, implementation	800	x32444
1996A	Legs binary search, math, ternary search	800	x42937
1995E2	Let Me Teach You a Lesson (Hard Version) data structures, dp, matrices, two pointers	2900	x300
1995E1	Let Me Teach You a Lesson (Easy Version) 2-sat, data structures, dp, matrices, two pointers	2700	x379
1995D	Cases bitmasks, brute force, dp, strings	2300	x2349
1995C	Squaring brute force, constructive algorithms, greedy, implementation, math, number theory	1800	x8538
1995B2	Bouquet (Hard Version) binary search, data structures, greedy, math, sortings, two pointers	1700	x8744
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x17921
1995A	Diagonals brute force, greedy, implementation, math	800	x24160
1994H	Fortnite combinatorics, constructive algorithms, games, greedy, hashing, interactive, math, number theory, strings	3500	x704
1994G	Minecraft bitmasks, brute force, dp, graphs, math	2600	x1259
1994F	Stardew Valley constructive algorithms, dfs and similar, graphs, trees	2500	x1197
1994E	Wooden Game bitmasks, greedy, math, trees	2000	x4488
1994D	Funny Game constructive algorithms, dsu, graphs, greedy, math, number theory, trees	1900	x5730
1994C	Hungry Games binary search, dp, two pointers	1600	x10724
1994B	Fun Game bitmasks, constructive algorithms, greedy, math	1100	x16494
1994A	Diverse Game constructive algorithms, greedy, implementation	800	x20166
1993F2	Dyn-scripted Robot (Hard Version) chinese remainder theorem, math, number theory	2800	x413
1993F1	Dyn-scripted Robot (Easy Version) brute force, chinese remainder theorem, constructive algorithms, math, number theory	2400	x992
1993E	Xor-Grid Problem bitmasks, constructive algorithms, dp, implementation	2700	x537
1993D	Med-imize binary search, dp, greedy	2200	x3732
1993C	Light Switches implementation, math	1400	x13575
1993B	Parity and Sum constructive algorithms, greedy	1100	x22661
1993A	Question Marks greedy, implementation	800	x29291
1992G	Ultra-Meow combinatorics, dp, math	2000	x3122
1992F	Valuable Cards brute force, dp, greedy, number theory, two pointers	1900	x5738
1992E	Novice's Mistake brute force, constructive algorithms, implementation, math, strings	1700	x9126
1992D	Test of Love dp, greedy, implementation	1200	x20344
1992C	Gorilla and Permutation constructive algorithms, math	900	x29011
1992B	Angry Monk greedy, math, sortings	800	x34193
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x41086
1991I	Grid Game constructive algorithms, games, graph matchings, greedy, interactive	3500	x130
1991H	Prime Split Game bitmasks, dp, fft, games, math, number theory	3300	x503
1991G	Grid Reset constructive algorithms, greedy, implementation	2700	x607
1991F	Triangle Formation brute force, greedy, implementation, math, sortings	2200	x2320
1991E	Coloring Game constructive algorithms, dfs and similar, games, graphs, greedy, interactive	1900	x4212
1991D	Prime XOR Coloring bitmasks, constructive algorithms, graphs, greedy, math, number theory	1900	x6650
1991C	Absolute Zero constructive algorithms, greedy, math	1300	x14528
1991B	AND Reconstruction bitmasks, constructive algorithms, greedy	1100	x16299
1991A	Maximize the Last Element greedy, implementation	800	x21759
1990F	Polygonal Segments brute force, data structures, divide and conquer, dp, greedy, two pointers	2800	x292
1990E2	Catch the Mole(Hard Version) binary search, data structures, dfs and similar, divide and conquer, interactive, trees	2600	x862
1990E1	Catch the Mole(Easy Version) binary search, data structures, dfs and similar, interactive, trees	2500	x921
1990D	Grid Puzzle bitmasks, brute force, dp, greedy, implementation	1800	x6282
1990C	Mad MAD Sum brute force, greedy, math	1500	x11584
1990B	Array Craft constructive algorithms, greedy	1200	x16468
1990A	Submission Bait brute force, games, greedy, sortings	900	x22604
1989F	Simultaneous Coloring dfs and similar, divide and conquer, graphs	3000	x449
1989E	Distance to Different combinatorics, dp, math	2300	x1979
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x5946
1989C	Two Movies greedy, math	1400	x18458
1989B	Substring and Subsequence brute force, greedy, strings	1200	x20097
1989A	Catch the Coin implementation	800	x26318
1988F	Heartbeat combinatorics, dp, fft, math	3000	x200
1988E	Range Minimum Sum binary search, brute force, data structures, divide and conquer, implementation	2300	x1421
1988D	The Omnipotent Monster Killer brute force, dfs and similar, dp, trees	2000	x4912
1988C	Increasing Sequence with Fixed OR bitmasks, constructive algorithms, greedy	1300	x16553
1988B	Make Majority greedy, implementation	900	x22704
1988A	Split the Multiset brute force, greedy, implementation, math	900	x23155
1987H	Fumo Temple interactive	3500	x101
1987G2	Spinning Round (Hard Version) divide and conquer, dp, trees	3500	x172
1987G1	Spinning Round (Easy Version) divide and conquer, dp, trees	2900	x274
1987F2	Interesting Problem (Hard Version) dp	2600	x1018