Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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greedy

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Problems

#	Name
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x16987
1573B	Swaps greedy, math, sortings	1400	x14135
1573A	Countdown greedy	800	x20909
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x462
1572C	Paint dp, greedy	2700	x1387
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x1736
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x319
1567D	Expression Evaluation Error constructive algorithms, greedy, implementation, math	2000	x4398
1567B	MEXor Mixup bitmasks, greedy	1000	x21346
1566G	Four Vertices constructive algorithms, data structures, graphs, greedy, implementation, shortest paths	3100	x326
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x925
1566E	Buds Re-hanging constructive algorithms, dfs and similar, dp, greedy, trees	2000	x4008
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7684
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13746
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x16977
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19056
1566A	Median Maximization binary search, greedy, math	800	x22696
1562E	Rescue Niwen! dp, greedy, string suffix structures, strings	2500	x1325
1562A	The Miracle and the Sleeper greedy, math	800	x25164
1561C	Deep Down Below binary search, greedy, sortings	1300	x13442
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4186
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5897
1560D	Make a Power of Two greedy, math, strings	1300	x17606
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x2521
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13169
1559B	Mocha and Red and Blue dp, greedy	900	x21930
1558E	Down Below binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths	3000	x433
1558C	Bottom-Tier Reversals constructive algorithms, greedy	2000	x3138
1557D	Ezzat and Grid data structures, dp, greedy	2200	x2456
1557B	Moamen and k-subarrays greedy, sortings	1100	x22773
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x319
1556E	Equilibrium data structures, dp, greedy	2200	x2507
1554D	Diane constructive algorithms, greedy, strings	1800	x9051
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x8496
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12379
1554A	Cherry greedy	800	x28546
1553D	Backspace dp, greedy, strings, two pointers	1500	x13285
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17270
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1769
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5765
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x14939
1551C	Interesting Story greedy, sortings, strings	1500	x12856
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15016
1551B1	Wonderful Coloring - 1 greedy, strings	800	x28600
1551A	Polycarp and Coins greedy, math	800	x48184
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9923
1550B	Maximum Cost Deletion greedy, math	1000	x25648
1550A	Find The Array greedy, math	800	x27604
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23725
1548E	Gregor and the Two Painters data structures, divide and conquer, graphs, greedy, math	3400	x335
1548A	Web of Lies brute force, graphs, greedy	1400	x15994
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x15943
1547C	Pair Programming greedy, two pointers	1100	x21973
1547B	Alphabetical Strings greedy, implementation, strings	800	x25924
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18062
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x393
1543B	Customising the Track combinatorics, greedy, math	900	x22626
1543A	Exciting Bets greedy, math, number theory	900	x26268
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x28957
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13658
1539F	Strange Array data structures, greedy, sortings	2600	x835
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x922
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11254
1539C	Stable Groups greedy, sortings	1200	x21142
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x19569
1538G	Gift Set binary search, greedy, math, ternary search	2100	x4345
1538B	Friends and Candies greedy, math	800	x30966
1538A	Stone Game brute force, dp, greedy	800	x35656
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x2353
1537E2	Erase and Extend (Hard Version) binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers	2200	x4964
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12209
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x26240
1537B	Bad Boy constructive algorithms, greedy, math	900	x27829
1537A	Arithmetic Array greedy, math	800	x35861
1536D	Omkar and Medians data structures, greedy, implementation	2000	x4550
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2627
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16047
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29512
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x513
1534F1	Falling Sand (Easy Version) dfs and similar, graphs, greedy	2500	x1189
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1846
1534B	Histogram Ugliness greedy, implementation, math	1100	x12346
1533F	Binary String Partition *special problem, binary search, greedy		x208
1533E	Chess Team Forming *special problem, binary search, data structures, greedy		x268
1530E	Minimax constructive algorithms, greedy, strings	2100	x2890
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x8878
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14211
1530A	Binary Decimal greedy, math	800	x20736
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20316
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29346
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x2494
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13799
1526C2	Potions (Hard Version) data structures, greedy	1600	x20891
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21105
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9349
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4324
1525B	Permutation Sort constructive algorithms, greedy	900	x24154
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8574
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x647
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1801