Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
42:18:21
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Problems

#	Name
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x316
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x1961
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9354
1523H	Hopping Around the Array data structures, dp	3500	x234
1523F	Favorite Game bitmasks, dp	3300	x394
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1522
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2076
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x648
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1802
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x386
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14543
1519B	The Cake Is a Lie dp, math	800	x29682
1517H	Fly Around the World dp, geometry	3500	x64
1517F	Reunion combinatorics, dp, trees	3200	x435
1517D	Explorer Space dp, graphs, shortest paths	1800	x7304
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x810
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4083
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11499
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18015
1515E	Phoenix and Computers combinatorics, dp, math	2200	x3351
1513C	Add One dp, matrices	1600	x13163
1512G	Short Task brute force, dp, math, number theory	1700	x7784
1512F	Education brute force, dp, greedy, implementation	1900	x5920
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x698
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x417
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x2457
1510H	Hard Optimization dp	3200	x95
1510D	Digits dp, math, number theory	2100	x1794
1509C	The Sports Festival dp, greedy	1800	x11765
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4091
1503E	2-Coloring combinatorics, dp, math	3100	x592
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3195
1501B	Napoleon Cake dp, implementation, sortings	900	x18427
1500F	Cupboards Jumps dp	3500	x328
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1243
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1405
1499D	The Number of Pairs dp, math, number theory	2100	x5442
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20225
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x842
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x2247
1498C	Planar Reflections brute force, data structures, dp	1600	x9154
1497E2	Square-free division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1559
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8023
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1481
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x280
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x5226
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15539
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6872
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7708
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x194
1487G	String Counting combinatorics, dp, fft, math	2700	x573
1487F	Ones dp, greedy, shortest paths	2900	x359
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x621
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2788
1486D	Max Median binary search, data structures, dp	2100	x6682
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1862
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1213
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16644
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x2930
1481F	AB Tree dp, greedy, trees	3100	x451
1481E	Sorting Books data structures, dp, greedy	2500	x1994
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x182
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x3894
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x6728
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18021
1476F	Lanterns binary search, data structures, dp	3000	x612
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8377
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11032
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6387
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9695
1475B	New Year's Number brute force, dp, math	900	x46261
1474F	1 2 3 4 ... dp, math, matrices	3000	x239
1474D	Cleaning data structures, dp, greedy, math	2200	x3868
1473G	Tiles combinatorics, dp, fft, math	2800	x379
1473D	Program data structures, dp, implementation, strings	1700	x9297
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4394
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2932
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7705
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26008
1472C	Long Jumps dp, graphs	1100	x29725
1472B	Fair Division dp, greedy, math	800	x47331
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x291
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21185
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10478
1469B	Red and Blue dp, greedy	1000	x25984
1468A	LaIS data structures, dp, greedy	2200	x1563
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1330
1467D	Sum of Paths combinatorics, dp, math	2200	x3538
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x259
1466C	Canine poetry dp, greedy, strings	1300	x17287
1466B	Last minute enhancements dp, greedy	800	x22353
1463F	Max Correct Set bitmasks, dp, math	3100	x550
1462B	Last Year's Substring dp, implementation, strings	800	x26501
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x528
1461C	Random Events dp, math, probabilities	1500	x10833
1461B	Find the Spruce brute force, dp, implementation	1400	x12351
1459B	Move and Turn dp, math	1300	x13861
1458B	Glass Half Spilled dp	2000	x3371
1456E	XOR-ranges dp, greedy	3500	x268
1455G	Forbidden Value data structures, dp	2900	x397