Problemset - Codeforces

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Codeforces Round 953 (Div. 2)
12:09:01
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constructive algorithms

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Problems

#	Name
1428D	Bouncing Boomerangs constructive algorithms, greedy, implementation	1900	x4431
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1274
1427D	Unshuffling a Deck constructive algorithms, implementation	2000	x3392
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7274
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15632
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19108
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4096
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x740
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4064
1421C	Palindromifier constructive algorithms, strings	1400	x12586
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x12909
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17171
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3155
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14933
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23791
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15996
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x5935
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x2602
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5226
1413A	Finding Sasuke constructive algorithms, math	800	x14624
1408F	Two Different constructive algorithms, divide and conquer	2300	x2277
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9792
1408A	Circle Coloring constructive algorithms	800	x12412
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1610
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11548
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20143
1406D	Three Sequences constructive algorithms, data structures, greedy, math	2200	x3398
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9886
1405B	Array Cancellation constructive algorithms, implementation	1000	x21116
1405A	Permutation Forgery constructive algorithms	800	x21267
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x992
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x2533
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23581
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20765
1401A	Distance and Axis constructive algorithms, math	900	x26967
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16856
1400A	String Similarity constructive algorithms, strings	800	x26624
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17792
1396E	Distance Matching constructive algorithms, dfs and similar, trees	3200	x332
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x10977
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x15051
1395B	Boboniu Plays Chess constructive algorithms	1100	x15797
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10301
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16328
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x1948
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3278
1391E	Pairs of Pairs constructive algorithms, dfs and similar, graphs, greedy, trees	2600	x1459
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4964
1391A	Suborrays constructive algorithms, math	800	x24046
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x39028
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x254
1385E	Directing Edges constructive algorithms, dfs and similar, graphs	2000	x6904
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2473
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18429
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x658
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x4787
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1396
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x12806
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19916
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4644
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x406
1375H	Set Merging constructive algorithms, divide and conquer	3300	x402
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1682
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1945
1375E	Inversion SwapSort constructive algorithms, greedy, sortings	2500	x2793
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8786
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20573
1375B	Neighbor Grid constructive algorithms, greedy	1200	x16952
1375A	Sign Flipping constructive algorithms, math	1100	x18077
1374F	Cyclic Shifts Sorting brute force, constructive algorithms, implementation, sortings	2400	x1272
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1626
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2707
1372C	Omkar and Baseball constructive algorithms, math	1500	x17485
1372A	Omkar and Completion constructive algorithms, implementation	800	x31592
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x12861
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4629
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23174
1368E	Ski Accidents constructive algorithms, graphs, greedy	2500	x2005
1368C	Even Picture constructive algorithms	1500	x13032
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19172
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x8019
1367C	Social Distance constructive algorithms, greedy, math	1300	x22730
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3993
1366D	Two Divisors constructive algorithms, math, number theory	2000	x10045
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x964
1365F	Swaps Again constructive algorithms, implementation, sortings	2100	x4323
1365E	Maximum Subsequence Value brute force, constructive algorithms	1900	x7573
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16419
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22572
1365B	Trouble Sort constructive algorithms, implementation	1300	x26218
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1135
1364D	Ehab's Last Corollary constructive algorithms, dfs and similar, graphs, greedy, implementation, trees	2100	x4051
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12759
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x1444
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8220
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4345
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x7476
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11968
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31971
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x438