Problemset - Codeforces

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Codeforces Round 1101 (Div. 2)
01:22:55
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constructive algorithms

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Problems

#	Name
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4407
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x893
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4387
1421C	Palindromifier constructive algorithms, strings	1400	x13564
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x13488
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x19046
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3521
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x17480
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x26458
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x17013
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x6709
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x3007
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x6180
1413A	Finding Sasuke constructive algorithms, math	800	x15302
1408F	Two Different constructive algorithms, divide and conquer	2300	x2684
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x10465
1408A	Circle Coloring constructive algorithms	800	x12797
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1911
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x14931
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x21450
1406D	Three Sequences constructive algorithms, data structures, greedy, math	2200	x3821
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x11817
1405B	Array Cancellation constructive algorithms, implementation	1000	x23106
1405A	Permutation Forgery constructive algorithms	800	x21919
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x1275
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x3058
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x26936
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x21798
1401A	Distance and Axis constructive algorithms, math	900	x28681
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x18534
1400A	String Similarity constructive algorithms, strings	800	x27988
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x19945
1396E	Distance Matching constructive algorithms, dfs and similar, trees	3200	x435
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x13013
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x16735
1395B	Boboniu Plays Chess constructive algorithms	1100	x16400
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x11060
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x17384
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x2409
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3754
1391E	Pairs of Pairs constructive algorithms, dfs and similar, graphs, greedy, trees	2600	x1936
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x5779
1391A	Suborrays constructive algorithms, math	800	x25079
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x50304
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x350
1385E	Directing Edges constructive algorithms, dfs and similar, graphs	2000	x9201
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2594
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x19632
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x764
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x5461
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1714
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x14381
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x21764
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x5022
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x474
1375H	Set Merging constructive algorithms, divide and conquer	3300	x497
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x2192
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x2513
1375E	Inversion SwapSort constructive algorithms, greedy, sortings	2500	x3377
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x10157
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x22986
1375B	Neighbor Grid constructive algorithms, greedy	1200	x17858
1375A	Sign Flipping constructive algorithms, math	1100	x18852
1374F	Cyclic Shifts Sorting brute force, constructive algorithms, implementation, sortings	2400	x1410
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1885
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2961
1372C	Omkar and Baseball constructive algorithms, math	1500	x19118
1372A	Omkar and Completion constructive algorithms, implementation	800	x33523
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x13727
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x5228
1370B	GCD Compression constructive algorithms, math, number theory	1100	x25125
1368E	Ski Accidents constructive algorithms, graphs, greedy	2500	x2368
1368C	Even Picture constructive algorithms	1500	x14043
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x21547
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x8874
1367C	Social Distance constructive algorithms, greedy, math	1300	x25237
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x4631
1366D	Two Divisors constructive algorithms, math, number theory	2000	x12434
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x1421
1365F	Swaps Again constructive algorithms, implementation, sortings	2100	x4766
1365E	Maximum Subsequence Value brute force, constructive algorithms	1900	x8340
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x20987
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x25042
1365B	Trouble Sort constructive algorithms, implementation	1300	x28929
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1572
1364D	Ehab's Last Corollary constructive algorithms, dfs and similar, graphs, greedy, implementation, trees	2100	x4993
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x14401
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1844
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8862
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4865
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x8365
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x13551
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x36877
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x504
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x2453
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x967
1355D	Game With Array constructive algorithms, math	1400	x19085
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1487
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x20358
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x44701

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