Problemset - Codeforces

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Codeforces Global Round 5
01:25:57

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two pointers

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Problems

#	Name
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1300	x16676
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x14459
381A	Sereja and Dima greedy, implementation, two pointers	800	x12843
279B	Books binary search, brute force, implementation, two pointers	1400	x12655
580B	Kefa and Company binary search, sortings, two pointers	1500	x9561
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x8190
978C	Letters binary search, implementation, two pointers	1000	x7867
1006C	Three Parts of the Array binary search, data structures, two pointers	1300	x7814
676C	Vasya and String binary search, dp, strings, two pointers	1500	x7314
716B	Complete the Word greedy, two pointers	1400	x7053
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x6998
1133C	Balanced Team sortings, two pointers	1300	x6973
446A	DZY Loves Sequences dp, implementation, two pointers	1700	x6867
387B	George and Round brute force, greedy, two pointers	1200	x6559
842A	Kirill And The Game brute force, two pointers	1300	x6400
251A	Points on Line binary search, combinatorics, two pointers	1400	x6360
961B	Lecture Sleep data structures, dp, implementation, two pointers	1300	x6285
701C	They Are Everywhere binary search, strings, two pointers	1500	x6234
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1400	x6208
1190A	Tokitsukaze and Discard Items implementation, two pointers	1500	x6134
1107C	Brutality greedy, sortings, two pointers	1300	x5947
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x5772
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x5700
788A	Functions again dp, two pointers	1500	x5683
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1700	x5622
892B	Wrath greedy, implementation, two pointers	1200	x5482
1198A	MP3 sortings, two pointers	1700	x5265
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x5263
427C	Checkposts dfs and similar, graphs, two pointers	1700	x5222
6C	Alice, Bob and Chocolate greedy, two pointers	1500	x5180
1041C	Coffee Break binary search, data structures, greedy, two pointers	1500	x5162
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1800	x4985
1166C	A Tale of Two Lands binary search, sortings, two pointers	1600	x4953
86D	Powerful array data structures, implementation, math, two pointers	2700	x4922
416A	Guess a number! greedy, implementation, two pointers	1400	x4863
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x4768
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1500	x4707
1036D	Vasya and Arrays greedy, two pointers	1600	x4659
318B	Strings of Power implementation, strings, two pointers	1300	x4640
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x4470
749C	Voting greedy, implementation, two pointers	1600	x4446
279C	Ladder dp, implementation, two pointers	1700	x4358
1148B	Born This Way binary search, brute force, two pointers	1700	x4264
1066B	Heaters greedy, two pointers	1500	x4257
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x4163
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1700	x4043
702C	Cellular Network binary search, two pointers	1500	x4031
762B	USB vs. PS/2 greedy, sortings, two pointers	1400	x4002
660C	Hard Process binary search, dp, two pointers	1600	x3967
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x3944
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x3915
924B	Three-level Laser binary search, greedy, two pointers	1600	x3880
519D	A and B and Interesting Substrings data structures, dp, two pointers	1900	x3849
231C	To Add or Not to Add binary search, sortings, two pointers	1700	x3773
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x3757
484B	Maximum Value binary search, math, sortings, two pointers	2100	x3731
888C	K-Dominant Character binary search, implementation, two pointers	1400	x3658
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x3656
1041D	Glider binary search, data structures, two pointers	1700	x3645
224B	Array bitmasks, implementation, two pointers	1500	x3644
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x3483
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1800	x3464
616D	Longest k-Good Segment binary search, data structures, two pointers	1700	x3399
939C	Convenient For Everybody binary search, two pointers	1600	x3384
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	2100	x3210
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x3174
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x3149
237C	Primes on Interval binary search, number theory, two pointers	1600	x3133
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x2957
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x2912
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1900	x2879
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x2877
1073C	Vasya and Robot binary search, two pointers	1800	x2721
769B	News About Credit *special problem, greedy, two pointers	1600	x2671
229A	Shifts brute force, two pointers	1600	x2663
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x2593
1042D	Petya and Array data structures, divide and conquer, two pointers	1800	x2582
650B	Image Preview binary search, brute force, dp, two pointers	1900	x2564
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x2549
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2100	x2477
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x2443
895B	XK Segments binary search, math, sortings, two pointers	1700	x2370
280B	Maximum Xor Secondary data structures, implementation, two pointers	2000	x2340
430B	Balls Game brute force, two pointers	1400	x2301
1188B	Count Pairs math, matrices, number theory, two pointers	2200	x2243
60A	Where Are My Flakes? implementation, two pointers	1300	x2205
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	2100	x2142
645C	Enduring Exodus binary search, two pointers	1600	x2127
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	2200	x2111
873C	Strange Game On Matrix greedy, two pointers	1600	x2043
1133E	K Balanced Teams dp, sortings, two pointers	2000	x2023
487B	Strip binary search, data structures, dp, two pointers	2300	x2012
853B	Jury Meeting greedy, sortings, two pointers	1900	x1989
1044A	The Tower is Going Home binary search, two pointers	1700	x1970
281B	Nearest Fraction brute force, implementation, two pointers	1700	x1966
514D	R2D2 and Droid Army binary search, data structures, two pointers	2100	x1943
1223D	Sequence Sorting dp, greedy, two pointers	2000	x1907
1168B	Good Triple brute force, two pointers	2000	x1904
343C	Read Time binary search, greedy, two pointers	2100	x1846
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x1836

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