Problemset - Codeforces

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Problems

#	Name
1601D	Difficult Mountain data structures, dp, greedy, sortings	2700	x1481
1601C	Optimal Insertion data structures, divide and conquer, dp, greedy, sortings	2300	x2056
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14855
1600E	Array Game games, greedy, two pointers	1900	x2126
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x303
1599A	Weights constructive algorithms, greedy, two pointers	2600	x690
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19861
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1726
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12580
1593C	Save More Mice binary search, greedy, greedy	1000	x25077
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27709
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x777
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x911
1592E	Bored Bakry bitmasks, greedy, math, two pointers	2400	x1667
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x22394
1585C	Minimize Distance greedy	1300	x12128
1585B	Array Eversion greedy	900	x15216
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x987
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1297
1584C	Two Arrays greedy, math, sortings	900	x16507
1584B	Coloring Rectangles greedy, math	1000	x13418
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2240
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5428
1582F2	Korney Korneevich and XOR (hard version) binary search, brute force, dp, greedy, two pointers	2400	x1851
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5694
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3792
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15931
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11479
1580D	Subsequence brute force, divide and conquer, dp, greedy, trees	2900	x919
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3698
1579E2	Array Optimization by Deque data structures, greedy	1700	x6714
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x21825
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x16192
1579C	Ticks greedy, implementation	1500	x10629
1578L	Labyrinth binary search, dsu, greedy	2400	x1220
1574D	The Strongest Build binary search, brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation	2000	x4525
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x17260
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17369
1573B	Swaps greedy, math, sortings	1400	x14656
1573A	Countdown greedy	800	x21213
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x516
1572C	Paint dp, greedy	2700	x1502
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x1858
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x340
1567D	Expression Evaluation Error constructive algorithms, greedy, implementation, math	2000	x4538
1567B	MEXor Mixup bitmasks, greedy	1000	x23452
1566G	Four Vertices constructive algorithms, data structures, graphs, greedy, implementation, shortest paths	3100	x343
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x961
1566E	Buds Re-hanging constructive algorithms, dfs and similar, dp, greedy, trees	2000	x4167
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7892
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x14059
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17687
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19756
1566A	Median Maximization binary search, greedy, math	800	x23549
1562E	Rescue Niwen! dp, greedy, string suffix structures, strings	2500	x1424
1562A	The Miracle and the Sleeper greedy, math	800	x25690
1561C	Deep Down Below binary search, greedy, sortings	1300	x14965
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4426
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x6184
1560D	Make a Power of Two greedy, math, strings	1300	x18284
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x2679
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13982
1559B	Mocha and Red and Blue dp, greedy	900	x22660
1558E	Down Below binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths	3000	x478
1558C	Bottom-Tier Reversals constructive algorithms, greedy	2000	x3308
1557D	Ezzat and Grid data structures, dp, greedy	2200	x2583
1557B	Moamen and k-subarrays greedy, sortings	1100	x23543
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x376
1556E	Equilibrium data structures, dp, greedy	2200	x2733
1554D	Diane constructive algorithms, greedy, strings	1800	x9553
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x8974
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12874
1554A	Cherry greedy	800	x29484
1553D	Backspace dp, greedy, strings, two pointers	1500	x13845
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x18020
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1904
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5950
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x15547
1551C	Interesting Story greedy, sortings, strings	1500	x13400
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15601
1551B1	Wonderful Coloring - 1 greedy, strings	800	x29608
1551A	Polycarp and Coins greedy, math	800	x51517
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10239
1550B	Maximum Cost Deletion greedy, math	1000	x26602
1550A	Find The Array greedy, math	800	x28229
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24571
1548E	Gregor and the Two Painters data structures, divide and conquer, graphs, greedy, math	3400	x463
1548A	Web of Lies brute force, graphs, greedy	1400	x16532
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16817
1547C	Pair Programming greedy, two pointers	1100	x22807
1547B	Alphabetical Strings greedy, implementation, strings	800	x26501
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18243
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x414
1543B	Customising the Track combinatorics, greedy, math	900	x23240
1543A	Exciting Bets greedy, math, number theory	900	x28742
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29515
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x14013
1539F	Strange Array data structures, greedy, sortings	2600	x883
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x960
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11725