Problemset - Codeforces

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Codeforces Round #715 (Div. 1)
33:08:28
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Before contest
Codeforces Round #715 (Div. 2)
33:08:28
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Problems

#	Name
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings		x294
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings		x620
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings		x1914
1513C	Add One dp, matrices		x5082
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, constructive algorithms, math		x6245
1513A	Array and Peaks constructive algorithms, implementation		x12330
1512G	Short Task brute force, dp, math, number theory		x2624
1512F	Education brute force, dp, greedy, implementation		x2334
1512E	Permutation by Sum brute force, greedy, math		x4103
1512D	Corrupted Array constructive algorithms, data structures, greedy		x8681
1512C	A-B Palindrome constructive algorithms, implementation, strings		x8930
1512B	Almost Rectangle implementation		x14826
1512A	Spy Detected! brute force, implementation		x19383
1511G	Chips on a Board bitmasks, brute force, data structures, games, two pointers	2700	x192
1511F	Chainword data structures, dp, math, matrices, strings	2700	x79
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x1138
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x5119
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x11095
1511B	GCD Length constructive algorithms, math, number theory	1100	x11196
1511A	Review Site greedy	800	x15638
1510K	King's Task brute force, graphs, implementation	1200	x2425
1510J	Japanese Game constructive algorithms, math	2700	x141
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x178
1510H	Hard Optimization dp	3200	x23
1510G	Guide	2100	x760
1510F	Fiber Shape	2800	x12
1510E	Equilibrium Point /\textbackslash/\textbackslash	2700	x105
1510D	Digits dp, math, number theory	2100	x869
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x71
1510B	Button Lock flows, graph matchings, graphs	2600	x324
1510A	ASCII Automata Art	3100	x74
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x2386
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x1844
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x6832
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x9950
1506C	Double-ended Strings brute force, implementation, strings	1000	x13506
1506B	Partial Replacement greedy, implementation	1100	x13007
1506A	Strange Table math	800	x19567
1505I	Mysterious language again, seriously?		x200
1505H	L BREAK into program		x229
1505G	Encoded message implementation		x156
1505F	Math math		x817
1505E	Cakewalk greedy, implementation, shortest paths		x1246
1505D	Xenolith? Hippodrome? number theory		x298
1505C	Fibonacci Words implementation		x3817
1505B	DMCA implementation, number theory		x3440
1505A	Is it rated - 2 implementation, interactive		x8369
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x10018
1504A	Déjà Vu constructive algorithms, strings	800	x13962
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x31
1503E	2-Coloring combinatorics, dp, math	3100	x125
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x479
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x1791
1503B	3-Coloring constructive algorithms, games, interactive	1700	x4340
1503A	Balance the Bits constructive algorithms, greedy	1600	x7437
1501B	Napoleon Cake dp, implementation, sortings	900	x10084
1501A	Alexey and Train implementation	800	x9271
1500F	Cupboards Jumps dp	3500	x34
1500E	Subset Trick binary search, data structures	3300	x81
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x153
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x396
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1299
1500A	Going Home brute force, hashing, implementation, math	1800	x5669
1499G	Graph Coloring data structures, graphs, interactive	3100	x56
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x487
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x775
1499D	The Number of Pairs dp, math, number theory	2100	x3011
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x7587
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x12766
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x15872
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x312
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1233
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x1571
1498C	Planar Reflections brute force, data structures, dp	1600	x5507
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x9129
1498A	GCD Sum brute force, math	800	x14796
1497E2	Square-free division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x798
1497E1	Square-free division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x4709
1497D	Genius bitmasks, dp, graphs, number theory	2500	x855
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x9072
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x12320
1497B	M-arrays constructive algorithms, greedy, math	1200	x11373
1497A	Meximization brute force, data structures, greedy, sortings	800	x16336
1496B	Max and Mex math	1100	x11481
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x13391
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x81
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x115
1495D	BFS Trees combinatorics, dfs and similar, graphs, math, shortest paths, trees	2600	x665
1495C	Garden of the Sun constructive algorithms, graphs	2300	x1622
1495B	Let's Go Hiking games, greedy	1900	x4121
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x11201
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x206
1494E	A-Z Graph constructive algorithms, data structures, graphs, hashing	2400	x1061
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x1680
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x3688
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x9224
1494A	ABC String bitmasks, brute force, implementation	900	x14365
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x223
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x500
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x2868

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