Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
2276F	Permutation Coloring Game brute force, dp, dsu, games, greedy, implementation, math		x501
2276E	Good Substrings combinatorics, data structures, data structures, dp, greedy, greedy, strings		x2369
2276A	Perfect Sandwiches greedy, math		x14331
2275G	Copper Squander binary search, data structures, dsu, graphs, greedy, math, sortings, ternary search		x1357
2275D	Precision Alignment binary search, brute force, greedy, implementation		x7514
2274B	Prefix greedy		x4495
2273F	Pancho's Permutation constructive algorithms, dp, greedy, math		x88
2273E	Six-Seven Bags brute force, greedy, interactive		x95
2273A	Lavencia Oranges binary search, constructive algorithms, dp, greedy		x3659
2271G	Grid Filling constructive algorithms, constructive algorithms, greedy, greedy, implementation, implementation		x103
2271F	Beautiful Pillers constructive algorithms, constructive algorithms, data structures, dp, greedy, implementation		x881
2271E	Array Emptying binary search, binary search, data structures, greedy, greedy		x1287
2271D	Target Infection binary search, brute force, greedy, implementation, two pointers		x2633
2271C	XOR Problem bitmasks, constructive algorithms, graphs, greedy, math		x4799
2269A	SauSaGe Bank greedy, math	800	x20115
2268C	KiaKio and Energy Intervals binary search, bitmasks, data structures, divide and conquer, dsu, greedy, trees, two pointers	2300	x1153
2268A	K Is Important constructive algorithms, greedy	1200	x11910
2267F2	XOR Transformations (Hard Version) bitmasks, brute force, data structures, dfs and similar, greedy, math, sortings, strings, trees	2300	x937
2267D	Backrooms Hill constructive algorithms, dp, greedy, sortings, two pointers	1400	x7965
2267C	GCD Treasury greedy, math, number theory	1200	x10937
2267A	Turn Into a Palindrome greedy, strings	800	x20034
2266H	Deque Malfunction binary search, data structures, dp, greedy	2400	x441
2266G	Modular Tree dfs and similar, dp, greedy, math, number theory, trees	2200	x996
2266F	MEX Replacement binary search, brute force, greedy, implementation, math, sortings	2000	x1962
2266C	AND, OR, Sort! greedy, strings	1000	x17336
2266B	Three Piles games, greedy, math	800	x26464
2266A	Good Contest greedy	800	x30240
2264B	Knife's Pill Farm data structures, greedy, math	1000	x11820
2262D	PLUSworld constructive algorithms, graphs, greedy	2900	x375
2262C	Traveling the World combinatorics, constructive algorithms, graphs, greedy, math	2300	x1023
2262A1	Floor of MEX (Easy Version) constructive algorithms, greedy	1200	x10133
2261G	1 2 3 and XOR, Where Did Everybody Go? bitmasks, data structures, divide and conquer, dp, greedy, sortings, two pointers		x222
2261F1	Plegma II: Ask Me Any Cell (Easy Version) brute force, constructive algorithms, dp, greedy, math		x266
2261E	What Does the Cow Say? binary search, data structures, dfs and similar, greedy, trees		x1756
2261B	What's the Capital of France? bitmasks, greedy, math		x6671
2260C	Maximize XOR, Minimize Operations bitmasks, greedy	1300	x10831
2259E	Treasure Map Destruction (Constructive Version) 2-sat, constructive algorithms, constructive algorithms, greedy, greedy	1500	x6706
2259D	MEX Multiset constructive algorithms, greedy	1200	x13910
2259C	101 constructive algorithms, greedy	1000	x19065
2259A	Moo Language School brute force, greedy, greedy, greedy, greedy, two pointers	800	x28334
2258F	Plus Minus Tree data structures, dfs and similar, dp, graphs, greedy, trees	3000	x331
2258D	Magic Tiles dp, greedy, implementation	2500	x576
2258B2	Carrot Chopdown (Hard Version) brute force, greedy, implementation, math	1600	x5272
2257E	Busy Beaver brute force, data structures, divide and conquer, dp, greedy, implementation, sortings	2100	x2276
2255D	How Long Until Nothing Remains? binary search, bitmasks, data structures, greedy, math, sortings	2300	x1749
2255C	Even If the World Turns communication, constructive algorithms, expression parsing, greedy, interactive, math, number theory	2100	x1684
2255A	Hot Potatoes at the Fairy Warehouse games, greedy, implementation	1200	x14369
2254G	Nightcrawler data structures, dfs and similar, dp, greedy, greedy, sortings, trees	2200	x1350
2254E	Chronostasis binary search, data structures, greedy	1500	x8598
2254C2	Marenol (hard version) greedy, sortings	1200	x14860
2254C1	Marenol (easy version) greedy	1000	x20928
2253D	Hypercarp and Interdimensional Jumps binary search, brute force, geometry, greedy, implementation, math	1800	x3735
2253C	Sum of Distinct Values in a Matrix greedy, sortings, two pointers	1500	x8426
2253A	The Best Card greedy, math, number theory	800	x22256
2252F	Spectral Components dfs and similar, dp, dp, greedy, sortings, trees	2600	x595
2252D	Array Replacement greedy, sortings	1700	x5857
2252C	Risky Tower binary search, brute force, data structures, greedy, sortings	1400	x10577
2252B	Always Changing dp, greedy, math, strings	1100	x13393
2252A	Boss Fight data structures, greedy, greedy	800	x19409
2249A	Rank Subsequence brute force, greedy, implementation	1300	x10856
2248F	Matrix Elimination binary search, greedy, math	2500	x749
2248E	Excuse for Breaks binary search, brute force, greedy, math, two pointers	2000	x2126
2248D	Good Pair Queries constructive algorithms, greedy, math	1400	x7841
2248C	Maximize the Score dp, greedy	1300	x10710
2248B	Merge to Match greedy, sortings	1000	x15453
2248A	You Delete, I Delete greedy	800	x21344
2247D2	XOR Sorting (Hard Version) bitmasks, data structures, greedy	2000	x2619
2247D1	XOR Sorting (Easy Version) bitmasks, greedy	1500	x7143
2247C	Inversion of a Subsequence greedy, math	1100	x13781
2246D	diss_quack and Array Game bitmasks, brute force, games, greedy	1900	x3506
2245B	Delete and Concatenate greedy	1100	x11412
2245A	Who Watches the Watchpig? greedy	800	x14544
2244F	Anya Loves Trees! dfs and similar, dp, greedy, trees, trees	1700	x4780
2244E	Masha and the Garland data structures, dp, greedy, implementation, math, number theory, strings	1400	x9539
2244D	Yaroslav and Productivity constructive algorithms, dp, greedy, math, number theory	1200	x14208
2244C	Stepan and Permutation constructive algorithms, dfs and similar, dsu, greedy, math, number theory, sortings, sortings, sortings	1100	x18398
2244B	Nikita and Books greedy, greedy, math, math, sortings, sortings	800	x25795
2244A	Iskander and Drawings dp, games, greedy, strings	800	x31190
2242E	Product of Closures bitmasks, brute force, constructive algorithms, greedy, implementation, math, number theory	2200	x1658
2242B	Predominant Frequency Division data structures, greedy, implementation, math	1000	x18279
2241G	Summmon binary search, data structures, greedy, implementation, math, number theory	2400	x1049
2241F	A Bit Odd data structures, games, greedy, math	1700	x5320
2241D	An Alternative Way dp, greedy, math	1100	x17292
2241C	RemovevomeR greedy	1000	x22601
2241A	Divide and Conquer greedy, math, number theory	800	x36067
2240A	Another Popcount Problem greedy	800	x17472
2239B	Decidophobia greedy, math, sortings, two pointers	1600	x7623
2239A	Nim Game Is XOR Game constructive algorithms, games, greedy, math	1300	x9809
2238F	Infinite Work combinatorics, graphs, greedy, math, trees	2600	x509
2238E	Cake Trial dp, greedy	2100	x2332
2238D	Storming Arasaka greedy, math, number theory	1500	x8288
2238A	Another Puzzle from Papyrus greedy, math, sortings	800	x20579
2237H	Slime and Queries data structures, greedy, trees	3500	x160
2237F	Paint the Array data structures, dp, greedy	2400	x1197
2237E	Permutation Commutation data structures, graphs, greedy	2100	x2211
2237D	Fullmetal Bitchemist constructive algorithms, greedy, math	1600	x6785
2237C	Duck Surplus binary search, greedy	1000	x16857
2237B	Annoying the Ghost brute force, greedy	1000	x15558
2237A	Destroying Towers games, greedy, schedules	800	x22635
2236C	Omsk Programmers brute force, greedy, greedy, math, math	1000	x22185

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