Problemset - Codeforces

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Problems

#	Name
696F	...Dary! binary search, geometry, two pointers	3300	x119
682E	Alyona and Triangles geometry, two pointers	2600	x647
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18194
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x576
660C	Hard Process binary search, dp, two pointers	1600	x9086
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3103
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3309
645C	Enduring Exodus binary search, two pointers	1600	x3161
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2607
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x779
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x571
627E	Orchestra two pointers	3000	x534
620D	Professor GukiZ and Two Arrays binary search, two pointers	2200	x1644
618F	Double Knapsack constructive algorithms, two pointers	3000	x1308
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x8815
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2173
611G	New Year and Cake geometry, two pointers	2900	x425
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1448
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2574
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10457
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27575
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x673
592E	BCPC binary search, geometry, two pointers	2700	x208
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x851
580B	Kefa and Company binary search, sortings, two pointers	1500	x25009
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11524
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2205
524D	Social Network greedy, two pointers	2100	x945
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6276
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1228
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4132
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6093
498B	Name That Tune dp, probabilities, two pointers	2400	x1149
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6680
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46753
487B	Strip binary search, data structures, dp, two pointers	2000	x3363
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6791
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34686
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12260
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x755
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5811
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8321
430B	Balls Game brute force, two pointers	1400	x3633
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13005
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1206
416A	Guess a number! greedy, implementation, two pointers	1400	x8672
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x674
406E	Hamming Triples implementation, math, two pointers	2800	x228
391A	Genetic Engineering implementation, two pointers		x1702
387B	George and Round brute force, greedy, two pointers	1200	x11927
386C	Diverse Substrings dp, strings, two pointers	2000	x747
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3488
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x653
381A	Sereja and Dima greedy, implementation, two pointers	800	x60754
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x911
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12399
371E	Subway Innovation greedy, math, two pointers	2000	x1208
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1270
364E	Empty Rectangles divide and conquer, two pointers	3000	x535
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4848
343C	Read Time binary search, greedy, two pointers	1900	x2906
318B	Strings of Power implementation, strings, two pointers	1300	x7381
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x515
309B	Context Advertising dp, two pointers	2100	x499
309A	Morning run binary search, math, two pointers	2000	x459
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7797
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x234
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2935
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4379
279C	Ladder dp, implementation, two pointers	1700	x8051
279B	Books binary search, brute force, implementation, two pointers	1400	x48137
264D	Colorful Stones dp, two pointers	2500	x407
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10615
261E	Maxim and Calculator brute force, dp, two pointers	2800	x405
253D	Table with Letters - 2 brute force, two pointers	2000	x809
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10336
251A	Points on Line binary search, combinatorics, two pointers	1300	x16799
250D	Building Bridge geometry, ternary search, two pointers	1900	x874
243D	Cubes data structures, dp, geometry, two pointers	2700	x208
237C	Primes on Interval binary search, number theory, two pointers	1600	x5584
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8329
229D	Towers dp, greedy, two pointers	2100	x2108
229A	Shifts brute force, two pointers	1500	x3443
224B	Array bitmasks, implementation, two pointers	1500	x7165
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2127
220E	Little Elephant and Inversions data structures, two pointers	2400	x1335
216D	Spider's Web binary search, sortings, two pointers	1700	x1329
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1093
203E	Transportation greedy, sortings, two pointers	2300	x276
190D	Non-Secret Cypher two pointers	1900	x2237
180E	Cubes binary search, dp, two pointers	1800	x1723
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1288
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x346
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11897
164B	Ancient Berland Hieroglyphs two pointers	2000	x450
163C	Conveyor sortings, two pointers	2100	x537
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4687
138E	Hellish Constraints brute force, dp, two pointers	2900	x165
131F	Present to Mom binary search, two pointers	2000	x601
121D	Lucky Segments binary search, implementation, two pointers	2500	x272