Problemset - Codeforces

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Codeforces Round 1006 (Div. 3)
18:33:41
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Problems

#	Name
771F	Bear and Isomorphic Points geometry, two pointers	3300	x83
771E	Bear and Rectangle Strips dp, greedy	3000	x519
771D	Bear and Company dp	2500	x1377
771C	Bear and Tree Jumps dfs and similar, dp, trees	2100	x3188
771B	Bear and Different Names constructive algorithms, greedy	1500	x6967
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x15801
770D	Draw Brackets! *special problem, implementation	1400	x1586
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2709
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2896
770A	New Password *special problem, implementation	800	x20407
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2383
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2425
769B	News About Credit *special problem, greedy, two pointers	1200	x3330
769A	Year of University Entrance *special problem, implementation, sortings	800	x5971
768G	The Winds of Winter binary search, data structures	3300	x374
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x1046
768E	Game of Stones bitmasks, dp, games	2100	x3078
768D	Jon and Orbs dp, math, probabilities	2200	x3025
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3840
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x6169
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x28534
767E	Change-free greedy	2400	x1021
767D	Cartons of milk binary search, data structures, greedy, sortings, two pointers	2100	x2278
767C	Garland dfs and similar, graphs, greedy, trees	2000	x4289
767B	The Queue brute force, greedy	2100	x2157
767A	Snacktower data structures, implementation	1100	x20990
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x3108
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3481
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4573
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x34178
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x31597
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x88
765F	Souvenirs data structures	3100	x2175
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1298
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2498
765C	Table Tennis Game 2 math	1200	x7046
765B	Code obfuscation greedy, implementation, strings	1100	x7169
765A	Neverending competitions implementation, math	900	x9112
764B	Timofey and cubes constructive algorithms, implementation	900	x12079
764A	Taymyr is calling you brute force, implementation, math	800	x16501
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2900	x516
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x584
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x725
763B	Timofey and rectangles constructive algorithms, geometry	2100	x2854
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10914
762F	Tree nesting combinatorics, graphs, trees	2800	x388
762E	Radio stations binary search, data structures	2200	x1451
762D	Maximum path dp, greedy, implementation	2300	x1604
762C	Two strings binary search, hashing, strings, two pointers	2100	x2624
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8762
762A	k-th divisor math, number theory	1400	x21071
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x421
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x2203
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x4088
761C	Dasha and Password brute force, dp, implementation	1500	x5917
761B	Dasha and friends brute force, implementation, math	1300	x6923
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14644
760B	Frodo and pillows binary search, greedy	1500	x6790
760A	Petr and a calendar implementation, math	800	x8294
758F	Geometrical Progression brute force, math, number theory	2400	x654
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x503
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2777
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3903
758B	Blown Garland brute force, implementation, number theory	1100	x10286
758A	Holiday Of Equality implementation, math	800	x64185
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x537
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1205
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1395
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1440
757C	Felicity is Coming! data structures, hashing, sortings, strings	1900	x2390
757B	Bash's Big Day greedy, math, number theory	1400	x10545
757A	Gotta Catch Em' All! implementation	1000	x11346
756F	Long number expression parsing, math, number theory	3400	x106
756E	Byteland coins combinatorics, dp, math	3200	x189
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x1016
756C	Nikita and stack data structures	2200	x1367
756B	Travel Card binary search, dp	1600	x3886
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x3081
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x960
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1486
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x864
755D	PolandBall and Polygon data structures	2000	x2566
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x12939
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x11621
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x18492
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x509
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2479
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x963
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7321
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8850
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x315
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1256
753A	Santa Claus and Candies dp, greedy, math	1000	x9284
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x202
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x470
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x510
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1657
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3102
750C	New Year and Rating binary search, greedy, math	1600	x6616
750B	New Year and North Pole geometry, implementation	1300	x9540