Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
3 days
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Problems

#	Name
2284F	Fun Times combinatorics, data structures, dp, math, matrices		x122
2284E	My Mind Is Going binary search, dfs and similar, graphs, interactive		x91
2284D	The Theorem of Two Cans communication, constructive algorithms, dfs and similar, graphs, interactive, math, trees		x801
2284C2	Disgusting + GCD (Checker Version) brute force, dp, graphs, greedy, greedy, greedy, greedy, math, number theory		x2425
2284C1	Disgusting + GCD (Constructive Version) constructive algorithms, dp, graphs, greedy, math, number theory		x5174
2284B	Introduction to the Niche Internet constructive algorithms, greedy, sortings		x7111
2284A2	15K4JR3B (Hard Version) greedy, math, number theory		x8899
2284A1	15K4JR3B (Easy Version) greedy, math, number theory		x10798
2283G	Order Statistics on the Graph bitmasks, brute force, sortings		x140
2283F	Minimize the Graph brute force, data structures, graphs, greedy		x604
2283E	Partition of a Binary String combinatorics, dp		x1548
2283D	Black, Gray and White brute force, constructive algorithms, dfs and similar, trees		x3692
2283C	Big XOR bitmasks, constructive algorithms		x6006
2283B	Rhythmic String brute force, number theory		x9603
2283A	Numbers on the Board greedy, math, two pointers		x11155
2280B	Secret String Patterns interactive		x6412
2280A	Are They the Same? brute force, implementation		x8134
2279F	The Stones of Nim bitmasks, graphs, greedy		x46
2279E	Save Me! brute force, dfs and similar, meet-in-the-middle		x103
2279D	Meta Graph brute force, constructive algorithms, dp, graphs, shortest paths		x479
2279C	Anti-Productive brute force, greedy, math, sortings		x1608
2279B	Balanced Subsets bitmasks, combinatorics, dp		x2462
2279A	Reverse and Double binary search, brute force, data structures, implementation		x4631
2278G	0s and 1s bitmasks, dfs and similar, dp, hashing, number theory, trees		x786
2278F	Modulo and Counting dp, math, number theory		x1519
2278E	Swap and Negate constructive algorithms, constructive algorithms, constructive algorithms, greedy		x5531
2278D	Lock and Unlock greedy		x8955
2278C	Math and Physics greedy		x12904
2278B	Stakes and Shapes constructive algorithms, greedy		x15117
2278A	Fraction and Six implementation, sortings, strings		x18315
2277F	Token Re-Moving data structures, dfs and similar, dsu, trees		x473
2277E	Tree Guessing constructive algorithms, interactive, trees		x420
2277D2	Number Operating (Hard Version) bitmasks, brute force, divide and conquer, dp		x540
2277D1	Number Operating (Easy Version) binary search, bitmasks, brute force, greedy		x3267
2277C	Edge Addeleting dfs and similar, greedy, trees		x6284
2277B	Sequence Decreasing constructive algorithms, greedy		x9405
2277A	Subset Selecting greedy		x11070
2276G	Elimination of Players combinatorics, dp, math	2100	x450
2276F	Permutation Coloring Game brute force, dp, dsu, games, greedy, implementation, math	2400	x856
2276E	Good Substrings combinatorics, data structures, data structures, dp, greedy, greedy, strings	1800	x3293
2276D	Caveman combinatorics, graphs	1400	x7735
2276C	Subarrays math, number theory	1100	x11746
2276B	Replace and Compress implementation, strings	1000	x12745
2276A	Perfect Sandwiches greedy, math	800	x19706
2275H	A Problem to Warm Up the Eyebrows combinatorics, combinatorics, dp, dp, math, math	2400	x701
2275G	Copper Squander binary search, data structures, dsu, graphs, greedy, math, sortings, ternary search	1900	x1789
2275F	Tea Blend hashing, math, number theory	1800	x2768
2275E	Repentance Is Already on the Way dp, implementation	1500	x5507
2275D	Precision Alignment binary search, brute force, greedy, implementation	1300	x8505
2275C	Unrequited Love brute force, data structures	1000	x15744
2275B	Did Not Go to Print data structures, implementation	800	x22635
2275A	In Search of Convenience geometry, implementation	800	x27294
2274B	Prefix greedy	1100	x5900
2274A	The Projections of Paco dfs and similar, dp, hashing, implementation, math	800	x8282
2273F	Pancho's Permutation constructive algorithms, dp, greedy, math	3500	x159
2273E	Six-Seven Bags brute force, greedy, interactive	2900	x162
2273D	Aura Battle brute force, implementation, interactive, math	2600	x299
2273C	Matrix Puzzle brute force, data structures, implementation, math, matrices	2100	x826
2273B	Robot Championship constructive algorithms, math	1900	x1767
2273A	Lavencia Oranges binary search, constructive algorithms, dp, greedy	1300	x4708
2272G	Ranges data structures, data structures, divide and conquer, dsu		x333
2272F	Tree Reduction Game dfs and similar, dp, games, trees		x528
2272E	Memory Cell Interception binary search, greedy, two pointers		x1107
2272D	Connecting the Conflicts brute force, constructive algorithms, dfs and similar, dp		x3327
2272C	Yet Another Black Cell Problem binary search, constructive algorithms, dp, greedy		x6143
2272B	Frogs Jump constructive algorithms, greedy		x8958
2272A	Maximize One MEX brute force, constructive algorithms, greedy		x10519
2271H2	Personal Issues (Hard Version) games, games, trees, trees	3300	x82
2271H1	Personal Issues (Easy Version) dp, games, games, trees, trees	2800	x146
2271G	Grid Filling constructive algorithms, constructive algorithms, greedy, greedy, implementation, implementation	3100	x117
2271F	Beautiful Pillers constructive algorithms, constructive algorithms, data structures, dp, greedy, implementation	2300	x1050
2271E	Array Emptying binary search, binary search, data structures, greedy, greedy	2100	x1554
2271D	Target Infection binary search, brute force, greedy, implementation, two pointers	1700	x3047
2271C	XOR Problem bitmasks, constructive algorithms, graphs, greedy, math	1400	x5382
2271B	MEX Game games	1000	x9043
2271A	Robot Odd Moves constructive algorithms, math	800	x11855
2269B	KiaKio and Squared Numbers brute force, implementation	1000	x13358
2269A	SauSaGe Bank greedy, math	800	x21158
2268F	Deglado constructive algorithms	3500	x334
2268E	Kia Kio and Tree of Life data structures, fft, math, trees	2700	x432
2268D	AghaBalaSar and Hamed data structures, dp, trees	2600	x770
2268C	KiaKio and Energy Intervals binary search, bitmasks, data structures, divide and conquer, dsu, greedy, trees, two pointers	2300	x1219
2268B	What a SauSaGe! It's All Meat bitmasks, brute force, data structures, math	1500	x6824
2268A	K Is Important constructive algorithms, greedy	1200	x12660
2267G	New LRT divide and conquer, dp, fft	2600	x327
2267F2	XOR Transformations (Hard Version) bitmasks, brute force, data structures, dfs and similar, greedy, math, sortings, strings, trees	2300	x975
2267F1	XOR Transformations (Easy Version) bitmasks, brute force, implementation, sortings	1700	x4331
2267E	Clean Substrings combinatorics, data structures, math	2000	x2111
2267D	Backrooms Hill constructive algorithms, dp, greedy, sortings, two pointers	1400	x8341
2267C	GCD Treasury greedy, math, number theory	1200	x11428
2267B	Fashionable Array brute force, constructive algorithms, sortings	800	x16592
2267A	Turn Into a Palindrome greedy, strings	800	x20844
2266H	Deque Malfunction binary search, data structures, dp, greedy	2400	x498
2266G	Modular Tree dfs and similar, dp, greedy, math, number theory, trees	2200	x1088
2266F	MEX Replacement binary search, brute force, greedy, implementation, math, sortings	2000	x2063
2266E	Prime Destruction brute force, dp, math, number theory	1400	x7685
2266D	Falling Concrete constructive algorithms, data structures, math, sortings	1400	x9469
2266C	AND, OR, Sort! greedy, strings	1000	x17857
2266B	Three Piles games, greedy, math	800	x27415
2266A	Good Contest greedy	800	x31559

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