Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
5 days

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Problems

#	Name
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4137
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11610
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18427
1516A	Tit for Tat greedy	800	x23187
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x239
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x219
1515G	Phoenix and Odometers dfs and similar, graphs, math, number theory	2700	x957
1515F	Phoenix and Earthquake constructive algorithms, dfs and similar, dsu, graphs, greedy, trees	2600	x1705
1515E	Phoenix and Computers combinatorics, dp, math	2200	x3411
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11209
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16684
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24352
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20073
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x591
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4127
1514C	Product 1 Modulo N greedy, number theory	1600	x14495
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x23407
1514A	Perfectly Imperfect Array math, number theory	800	x23876
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1206
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x1422
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5113
1513C	Add One dp, matrices	1600	x13419
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x14001
1513A	Array and Peaks constructive algorithms, implementation	800	x19214
1512G	Short Task brute force, dp, math, number theory	1700	x7894
1512F	Education brute force, dp, greedy, implementation	1900	x5999
1512E	Permutation by Sum brute force, greedy, math	1600	x10112
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21932
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x19627
1512B	Almost Rectangle implementation	800	x25090
1512A	Spy Detected! brute force, implementation	800	x60911
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x708
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x422
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x2484
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11138
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22534
1511B	GCD Length constructive algorithms, math, number theory	1100	x22143
1511A	Review Site greedy	800	x27237
1510K	King's Task brute force, graphs, implementation	1200	x5307
1510J	Japanese Game constructive algorithms, math	2700	x511
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x453
1510H	Hard Optimization dp	3200	x98
1510G	Guide	2100	x1261
1510F	Fiber Shape	2800	x58
1510E	Equilibrium Point /\textbackslash/\textbackslash	2700	x243
1510D	Digits dp, math, number theory	2100	x1807
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x210
1510B	Button Lock flows, graph matchings, graphs	2600	x722
1510A	ASCII Automata Art	3100	x152
1509C	The Sports Festival dp, greedy	1800	x11984
1509B	TMT Document greedy	1100	x21210
1509A	Average Height constructive algorithms	800	x25783
1508F	Optimal Encoding brute force, data structures	3500	x118
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x330
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x533
1508C	Complete the MST bitmasks, brute force, data structures, dfs and similar, dsu, graphs, greedy, trees	2500	x1435
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x3862
1508A	Binary Literature constructive algorithms, greedy, implementation, strings, two pointers	1900	x6054
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4127
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3121
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x12732
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x21041
1506C	Double-ended Strings brute force, implementation, strings	1000	x23800
1506B	Partial Replacement greedy, implementation	1100	x19978
1506A	Strange Table math	800	x30240
1505I	Mysterious language again, seriously? *special problem	2200	x544
1505H	L BREAK into program *special problem	2500	x491
1505G	Encoded message *special problem, implementation	2600	x297
1505F	Math *special problem, math	2200	x1479
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1732
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x745
1505C	Fibonacci Words *special problem, implementation	1400	x6324
1505B	DMCA *special problem, implementation, number theory	1600	x6029
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14097
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17601
1504A	Déjà Vu constructive algorithms, strings	800	x21474
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x136
1503E	2-Coloring combinatorics, dp, math	3100	x597
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x977
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3229
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6869
1503A	Balance the Bits constructive algorithms, greedy	1600	x13100
1501B	Napoleon Cake dp, implementation, sortings	900	x18615
1501A	Alexey and Train implementation	800	x11542
1500F	Cupboards Jumps dp	3500	x332
1500E	Subset Trick binary search, data structures	3300	x214
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x422
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x775
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x2004
1500A	Going Home brute force, hashing, implementation, math	1800	x8609
1499G	Graph Coloring data structures, graphs, interactive	3100	x188
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1258
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1416
1499D	The Number of Pairs dp, math, number theory	2100	x5550
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12415
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20380
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21056
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x858
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1848
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x2253