Problemset - Codeforces

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Problems

#	Name
1574D	The Strongest Build data structures, dfs and similar, graphs, greedy, hashing, implementation, shortest paths		x1418
1574C	Slay the Dragon binary search, greedy, sortings		x6406
1574B	Combinatorics Homework combinatorics, greedy, math		x8378
1573B	Swaps greedy, math, sortings	1400	x5866
1573A	Countdown greedy	800	x13492
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x65
1572C	Paint dp, greedy	2700	x337
1572B	Xor of 3 brute force, constructive algorithms, greedy	2500	x514
1567D	Expression Evaluation Error constructive algorithms, greedy, implementation, math	2000	x3181
1567B	MEXor Mixup bitmasks, greedy	1000	x14304
1566G	Four Vertices constructive algorithms, data structures, graphs, greedy, implementation, shortest paths	3100	x176
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x590
1566E	Buds Re-hanging constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2646
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x5412
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x10076
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x11472
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x13431
1566A	Median Maximization binary search, greedy, math	800	x14970
1562E	Rescue Niwen! dp, greedy, string suffix structures, strings	2500	x820
1562A	The Miracle and the Sleeper greedy, math	800	x19647
1561C	Deep Down Below binary search, greedy, sortings	1300	x8487
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x2782
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x3891
1560D	Make a Power of Two greedy, math, strings	1300	x11494
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x1633
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x8383
1559B	Mocha and Red and Blue dp, greedy	900	x15910
1558E	Down Below binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths	3000	x203
1558C	Bottom-Tier Reversals constructive algorithms, greedy	2000	x2084
1557D	Ezzat and Grid data structures, dp, greedy	2200	x1835
1557B	Moamen and k-subarrays greedy, sortings	1100	x16446
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x106
1556E	Equilibrium data structures, dp, greedy	2200	x1836
1554D	Diane constructive algorithms, greedy, strings	1800	x5932
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x5721
1554B	Cobb bitmasks, brute force, greedy, math	1700	x8874
1554A	Cherry greedy	800	x20368
1553D	Backspace dp, greedy, strings, two pointers	1500	x8160
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x11822
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1367
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x4636
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x10407
1551C	Interesting Story greedy, sortings, strings	1500	x8347
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x10167
1551B1	Wonderful Coloring - 1 greedy, strings	800	x21738
1551A	Polycarp and Coins greedy, math	800	x27526
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x7345
1550B	Maximum Cost Deletion greedy, math	1000	x17567
1550A	Find The Array greedy, math	800	x21251
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x17492
1548E	Gregor and the Two Painters data structures, divide and conquer, graphs, greedy, math	3400	x101
1548A	Web of Lies brute force, graphs, greedy	1400	x11485
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x11040
1547C	Pair Programming greedy, two pointers	1100	x15810
1547B	Alphabetical Strings greedy, implementation, strings	800	x20079
1546A	AquaMoon and Two Arrays brute force, greedy	800	x15429
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x287
1543B	Customising the Track combinatorics, greedy, math	900	x17107
1543A	Exciting Bets greedy, math, number theory	900	x18334
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x22392
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x10187
1539F	Strange Array data structures, greedy, sortings	2600	x614
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x618
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x7633
1539C	Stable Groups greedy, sortings	1200	x13565
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x14407
1538G	Gift Set binary search, greedy, math, ternary search	2100	x3242
1538B	Friends and Candies greedy, math	800	x23650
1538A	Stone Game brute force, dp, greedy	800	x25029
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x1706
1537E2	Erase and Extend (Hard Version) binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers	2200	x3368
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x8050
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x15850
1537B	Bad Boy constructive algorithms, greedy, math	900	x19289
1537A	Arithmetic Array greedy, math	800	x23530
1536D	Omkar and Medians data structures, greedy, implementation	2000	x3581
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x1913
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x10936
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x20392
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x316
1534F1	Falling Sand (Easy Version) dfs and similar, graphs, greedy	2500	x864
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1381
1534B	Histogram Ugliness greedy, implementation, math	1100	x10129
1533F	Binary String Partition *special problem, binary search, greedy		x164
1533E	Chess Team Forming *special problem, binary search, data structures, greedy		x214
1530E	Minimax constructive algorithms, greedy, strings	2100	x2252
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x6383
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x10480
1530A	Binary Decimal greedy, math	800	x17000
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x16268
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x23504
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x1803
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x9060
1526C2	Potions (Hard Version) data structures, greedy	1600	x11148
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x12055
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x6351
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x3299
1525B	Permutation Sort constructive algorithms, greedy	900	x18026
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x6706
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x456

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