Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
13:55:26
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two pointers

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Problems

#	Name
818E	Card Game Again binary search, data structures, number theory, two pointers	1900	x2260
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6543
799E	Aquarium decoration data structures, greedy, two pointers	2500	x930
788A	Functions again dp, two pointers	1600	x9082
780H	Intranet of Buses binary search, geometry, implementation, two pointers	3100	x118
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6357
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x218
771F	Bear and Isomorphic Points geometry, two pointers	3300	x81
769B	News About Credit *special problem, greedy, two pointers	1200	x3282
767D	Cartons of milk binary search, data structures, greedy, sortings, two pointers	2100	x2228
762C	Two strings binary search, hashing, strings, two pointers	2100	x2475
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8015
749C	Voting greedy, implementation, two pointers	1500	x5964
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1465
746F	Music in Car data structures, greedy, two pointers	2200	x742
744E	Hongcow Masters the Cyclic Shift strings, two pointers	3200	x135
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5321
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x892
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3337
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers	2800	x492
716B	Complete the Word greedy, two pointers	1300	x12116
702C	Cellular Network binary search, implementation, two pointers	1500	x14681
701C	They Are Everywhere binary search, strings, two pointers	1500	x14873
696F	...Dary! binary search, geometry, two pointers	3300	x122
682E	Alyona and Triangles geometry, two pointers	2600	x662
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18719
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x609
660C	Hard Process binary search, dp, two pointers	1600	x9315
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3198
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3339
645C	Enduring Exodus binary search, two pointers	1600	x3242
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2688
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x966
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x583
627E	Orchestra two pointers	3000	x569
620D	Professor GukiZ and Two Arrays binary search, two pointers	2200	x1698
618F	Double Knapsack constructive algorithms, two pointers	3000	x1381
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9311
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2207
611G	New Year and Cake geometry, two pointers	2900	x433
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1482
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2704
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10774
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x29449
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x684
592E	BCPC binary search, geometry, two pointers	2700	x213
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x863
580B	Kefa and Company binary search, sortings, two pointers	1500	x26229
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x12072
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2254
524D	Social Network greedy, two pointers	2100	x949
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6358
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1306
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4337
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6335
498B	Name That Tune dp, probabilities, two pointers	2400	x1166
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6781
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x48463
487B	Strip binary search, data structures, dp, two pointers	2000	x3498
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7012
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35912
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12505
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x773
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6036
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8998
430B	Balls Game brute force, two pointers	1400	x3694
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13794
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1256
416A	Guess a number! greedy, implementation, two pointers	1400	x8877
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x682
406E	Hamming Triples implementation, math, two pointers	2800	x234
391A	Genetic Engineering implementation, two pointers		x1716
387B	George and Round brute force, greedy, two pointers	1200	x12164
386C	Diverse Substrings dp, strings, two pointers	2000	x778
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3521
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x661
381A	Sereja and Dima greedy, implementation, two pointers	800	x64919
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x964
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12859
371E	Subway Innovation greedy, math, two pointers	2000	x1287
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1555
364E	Empty Rectangles divide and conquer, two pointers	3000	x576
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x5056
343C	Read Time binary search, greedy, two pointers	1900	x3003
318B	Strings of Power implementation, strings, two pointers	1300	x7495
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x523
309B	Context Advertising dp, two pointers	2100	x711
309A	Morning run binary search, math, two pointers	2000	x485
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x8074
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x238
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3020
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4525
279C	Ladder dp, implementation, two pointers	1700	x8219
279B	Books binary search, brute force, implementation, two pointers	1400	x52031
264D	Colorful Stones dp, two pointers	2500	x419
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10738
261E	Maxim and Calculator brute force, dp, two pointers	2800	x413
253D	Table with Letters - 2 brute force, two pointers	2000	x829
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10649
251A	Points on Line binary search, combinatorics, two pointers	1300	x17415