Bugabooset - Codeforces

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Educational Codeforces Round 110 (Rated for Div. 2)
39:06:37
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Problems

#	Name
1531E3	Сортировка слиянием *special problem, binary search		x244
1531E2	Сортировка слиянием special problem, special problem, brute force		x314
1531E1	Сортировка слиянием *special problem		x338
1531D	Редактируем Зингер \| color special problem, special problem		x315
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x586
1531B2	Мониторинг *special problem		x658
1531B1	Мониторинг special problem, special problem		x920
1531A	Зингер \| color *special problem, implementation		x1068
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x13624
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x20223
1528F	AmShZ Farm combinatorics, fft, math	3300	x75
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x202
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x683
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x1273
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x4920
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x7306
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x794
1527D	MEX Tree combinatorics, dfs and similar, implementation, math, trees	2400	x924
1527C	Sequence Pair Weight hashing, implementation, math	1600	x7730
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x4826
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x13491
1527A	And Then There Were K bitmasks	800	x19526
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x72
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x444
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x1381
1526C2	Potions (Hard Version) data structures, greedy	1600	x8262
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x9165
1526B	I Hate 1111 dp, math, number theory	1400	x11594
1526A	Mean Inequality constructive algorithms, sortings	800	x16445
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x152
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x950
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x5274
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x2733
1525B	Permutation Sort constructive algorithms, greedy	900	x15366
1525A	Potion-making math, number theory	800	x17771
1523H	Hopping Around the Array data structures, dp	3500	x23
1523G	Try Booking data structures, divide and conquer	3200	x117
1523F	Favorite Game bitmasks, dp	3300	x110
1523E	Crypto Lights combinatorics, dp, fft, math, probabilities	2600	x612
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x1038
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x5331
1523B	Lord of the Values constructive algorithms	1100	x7921
1523A	Game of Life implementation	800	x9960
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x380
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1003
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3238
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x12234
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x18627
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x2093
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x1941
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x5987
1520E	Arranging The Sheep greedy, math	1400	x10484
1520D	Same Differences data structures, hashing, math	1200	x16507
1520C	Not Adjacent Matrix constructive algorithms	1000	x17794
1520B	Ordinary Numbers brute force, math, number theory	800	x22687
1520A	Do Not Be Distracted! brute force, implementation	800	x26253
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x136
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x524
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x7951
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x9671
1519B	The Cake Is a Lie dp, math	800	x18972
1519A	Red and Blue Beans math	800	x19982
1517H	Fly Around the World dp, geometry	3500	x32
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x161
1517F	Reunion combinatorics, dp, trees	3200	x164
1517E	Group Photo binary search, data structures, implementation, two pointers	2500	x697
1517D	Explorer Space dp, graphs, shortest paths	1800	x4754
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x8483
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x9717
1517A	Sum of 2050 greedy, math	800	x18212
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x502
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x2345
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x6990
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x10372
1516A	Tit for Tat greedy	800	x17615
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x75
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x94
1515G	Phoenix and Odometers dfs and similar, graphs, math, number theory	2700	x511
1515F	Phoenix and Earthquake constructive algorithms, dfs and similar, dsu, graphs, greedy, trees	2600	x918
1515E	Phoenix and Computers combinatorics, dp, math	2200	x1918
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x7266
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x9697
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x14503
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x15996
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x296
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x2735
1514C	Product 1 Modulo N greedy, number theory	1600	x7782
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x12206
1514A	Perfectly Imperfect Array math, number theory	800	x17602
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x563
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x950
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x2796
1513C	Add One dp, matrices	1600	x7184
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x8197
1513A	Array and Peaks constructive algorithms, implementation	800	x15508
1512G	Short Task brute force, dp, math, number theory	1700	x4131
1512F	Education brute force, dp, greedy, implementation	1900	x3548
1512E	Permutation by Sum brute force, greedy, math	1600	x5856
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x11671
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x11756

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