Problemset - Codeforces

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Problems

#	Name
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1423
1500A	Going Home brute force, hashing, implementation, math	1800	x6298
1499G	Graph Coloring data structures, graphs, interactive	3100	x74
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x588
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x897
1499D	The Number of Pairs dp, math, number theory	2100	x3356
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x8543
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x14463
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x17386
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x393
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1371
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x1758
1498C	Planar Reflections brute force, data structures, dp	1600	x6337
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x10500
1498A	GCD Sum brute force, math	800	x16648
1497E2	Square-free division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x926
1497E1	Square-free division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x5346
1497D	Genius bitmasks, dp, graphs, number theory	2500	x995
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x10037
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x13796
1497B	M-arrays constructive algorithms, greedy, math	1200	x12651
1497A	Meximization brute force, data structures, greedy, sortings	800	x17882
1496B	Max and Mex math	1100	x12814
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x14959
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x126
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x146
1495D	BFS Trees combinatorics, dfs and similar, graphs, math, shortest paths, trees	2600	x733
1495C	Garden of the Sun constructive algorithms, graphs	2300	x1780
1495B	Let's Go Hiking games, greedy	1900	x4533
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x12436
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x231
1494E	A-Z Graph constructive algorithms, data structures, graphs, hashing	2400	x1144
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x1816
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x3957
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x10017
1494A	ABC String bitmasks, brute force, implementation	900	x15470
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x250
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x539
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x3114
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x3343
1493B	Planet Lapituletti brute force, implementation	1300	x9286
1493A	Anti-knapsack constructive algorithms, greedy	800	x15792
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x924
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x4576
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x10102
1492B	Card Deck data structures, greedy, math	1100	x13418
1492A	Three swimmers math	800	x17967
1491I	Ruler Of The Zoo brute force, data structures	3500	x37
1491H	Yuezheng Ling and Dynamic Tree data structures, trees	3400	x257
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x410
1491F	Magnets binary search, constructive algorithms, interactive	2700	x605
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x1457
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x4837
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x5741
1491B	Minimal Cost brute force, math	1200	x10858
1491A	K-th Largest Value brute force, greedy, implementation	800	x15231
1490G	Old Floppy Drive binary search, data structures, math	1900	x3841
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x8883
1490E	Accidental Victory binary search, data structures, greedy	1400	x10417
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x12639
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x17741
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x17867
1490A	Dense Array greedy, math	800	x22170
1488J	Flower Shop *special problem, data structures, fft, math	3100	x9
1488I	Demonic Invasion *special problem, flows	3100	x15
1488H	Build From Suffixes *special problem, combinatorics, data structures	2800	x29
1488G	Painting Numbers *special problem, data structures, greedy, number theory	2500	x74
1488F	Dogecoin special problem, special problem, binary search, data structures	2300	x110
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x147
1488D	Problemsolving Marathon *special problem, binary search, greedy	1900	x236
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x288
1488B	RBS Deletion *special problem, greedy	1800	x412
1488A	From Zero To Y *special problem, math	900	x748
1487G	String Counting combinatorics, dp, fft, math	2700	x361
1487F	Ones dp, greedy, shortest paths	2900	x228
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x3117
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x10346
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x8760
1487B	Cat Cycle math, number theory	1200	x12645
1487A	Arena implementation, sortings	800	x19832
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x381
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x1940
1486D	Max Median binary search, data structures, dp	2100	x3820
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x5513
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x7632
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x10753
1486A	Shifting Stacks greedy, implementation	900	x18145
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1150
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x869
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x3552
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x6383
1485B	Replace and Keep Sorted dp, implementation, math	1200	x11284
1485A	Add and Divide brute force, greedy, math, number theory	1000	x14337
1482H	Exam data structures, string suffix structures, trees	3400	x123
1482G	Vabank binary search, interactive	3200	x126
1482F	Useful Edges graphs, shortest paths	2400	x1000
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x1902
1482D	Playlist data structures, dsu, implementation, shortest paths	1900	x2765
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x6596
1482B	Restore Modulo implementation, math	1500	x6770