Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
24:44:41
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constructive algorithms

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Problems

#	Name
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9202
509B	Painting Pebbles constructive algorithms, greedy, implementation	1300	x9514
1236C	Labs constructive algorithms, greedy, implementation	1300	x9829
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10207
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10501
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10597
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10751
1037A	Packets constructive algorithms, greedy, math	1300	x10920
1003B	Binary String Constructing constructive algorithms	1300	x11012
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11114
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x11307
1839C	Insert Zero and Invert Prefix constructive algorithms	1300	x11338
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11532
1174C	Ehab and a Special Coloring Problem constructive algorithms, number theory	1300	x11787
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11948
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12153
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12314
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12347
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x12479
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12545
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x12648
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13526
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14084
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14210
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14255
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14879
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15063
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x15751
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15938
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x15978
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16086
330B	Road Construction constructive algorithms, graphs	1300	x16338
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16410
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x16997
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19696
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19828
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20718
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20816
1367C	Social Distance constructive algorithms, greedy, math	1300	x22574
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23396
1365B	Trouble Sort constructive algorithms, implementation	1300	x25983
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x26551
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35185
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2447
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3355
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4022
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4344
53C	Little Frog constructive algorithms	1200	x6209
803B	Distances to Zero constructive algorithms	1200	x6405
254A	Cards with Numbers constructive algorithms, sortings	1200	x6831
989B	A Tide of Riverscape constructive algorithms, strings	1200	x6970
931B	World Cup constructive algorithms, implementation	1200	x7020
379B	New Year Present constructive algorithms, implementation	1200	x7159
631B	Print Check constructive algorithms, implementation	1200	x7240
560B	Gerald is into Art constructive algorithms, implementation	1200	x7821
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x7877
740B	Alyona and flowers constructive algorithms	1200	x8103
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x8116
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8360
934B	A Prosperous Lot constructive algorithms, implementation	1200	x8515
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8529
1028B	Unnatural Conditions constructive algorithms, math	1200	x8748
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8845
982A	Row brute force, constructive algorithms	1200	x8936
1153B	Serval and Toy Bricks constructive algorithms, greedy	1200	x8950
1227B	Box constructive algorithms	1200	x9222
1099C	Postcard constructive algorithms, implementation	1200	x9394
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9467
482A	Diverse Permutation constructive algorithms, greedy	1200	x9501
625B	War of the Corporations constructive algorithms, greedy, strings	1200	x10053
1091B	New Year and the Treasure Geolocation brute force, constructive algorithms, greedy, implementation	1200	x10495
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10584
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x10795
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10841
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11015
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x11252
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11299
1608B	Build the Permutation constructive algorithms, greedy	1200	x11424
779C	Dishonest Sellers constructive algorithms, greedy, sortings	1200	x11617
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x11923
78B	Easter Eggs constructive algorithms, implementation	1200	x12682
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x12938
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13046
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x13428
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x13479
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x13705
1205A	Almost Equal constructive algorithms, greedy, math	1200	x13807
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14203
1149A	Prefix Sum Primes constructive algorithms, greedy, math, number theory	1200	x14652
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x14720
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x14992
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x15043
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15558
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x15745
1822D	Super-Permutation constructive algorithms, math	1200	x15858
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15942
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x15954
1196B	Odd Sum Segments constructive algorithms, math	1200	x16114
1935B	Informatics in MAC constructive algorithms	1200	x16243
1635C	Differential Sorting constructive algorithms, greedy	1200	x16314