Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
3 days
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Before contest
Codeforces Round 941 (Div. 2)
3 days
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binary search

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Problems

#	Name
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x338
713E	Sonya Partymaker binary search, dp	3300	x340
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x345
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x345
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x348
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x348
883D	Packmen Strike Back binary search, dp, math	2500	x349
768G	The Winds of Winter binary search, data structures	3300	x353
1827E	Bus Routes binary search, constructive algorithms, dfs and similar, greedy, trees	3400	x355
461E	Appleman and a Game binary search, shortest paths, strings	3000	x355
1651F	Tower Defense binary search, brute force, data structures	3000	x361
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x367
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x368
198C	Delivering Carcinogen binary search, geometry	2400	x368
1129E	Legendary Tree binary search, interactive, trees	3100	x369
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x370
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x390
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x392
855F	Nagini binary search, data structures	3100	x393
177E2	Space Voyage binary search	1900	x394
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x395
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x397
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x398
198E	Gripping Story binary search, data structures, sortings	2400	x400
1007C	Guess two numbers binary search, interactive	3000	x401
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x403
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x407
260E	Dividing Kingdom binary search, brute force, data structures	2500	x408
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x422
1608E	The Cells on the Paper binary search, implementation, sortings	2800	x423
832C	Strange Radiation binary search, implementation, math	2500	x427
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x428
1034D	Intervals of Intervals binary search, data structures, two pointers	3500	x431
1558E	Down Below binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths	3000	x432
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x435
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x437
232D	Fence binary search, data structures, string suffix structures	2900	x441
623C	Electric Charges binary search, dp	2900	x448
1575B	Building an Amusement Park binary search, geometry	2300	x450
212D	Cutting a Fence binary search, data structures, dsu	2500	x451
611F	New Year and Cleaning binary search, implementation	2500	x454
309A	Morning run binary search, math, two pointers	2000	x458
1870F	Lazy Numbers binary search, math	2900	x462
1056F	Write The Contest binary search, dp, math	2500	x462
1710E	Two Arrays binary search, games, graph matchings	2400	x463
1310C	Au Pont Rouge binary search, dp, strings	2800	x463
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x474
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x474
594B	Max and Bike binary search, geometry	2500	x475
73B	Need For Brake binary search, greedy, sortings	2000	x488
421D	Bug in Code binary search, data structures, sortings	1900	x492
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x494
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x503
8D	Two Friends binary search, geometry	2600	x509
889E	Mod Mod Mod binary search, dp, math	3000	x513
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x514
253E	Printer binary search, data structures, implementation, sortings	2200	x520
1854D	Michael and Hotel binary search, interactive, trees	3000	x521
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x521
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x544
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x548
1661F	Teleporters binary search, greedy	2600	x549
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x551
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x554
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x555
1707E	Replace binary search, data structures	3500	x556
1762F	Good Pairs binary search, data structures, dp	2600	x558
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x560
404E	Maze 1D binary search, greedy, implementation	2200	x561
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x561
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x565
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x567
177E1	Space Voyage binary search	1700	x574
160E	Buses and People binary search, data structures, sortings	2400	x575
1625E2	Cats on the Upgrade (hard version) binary search, data structures, dfs and similar, graphs, trees	2800	x576
685C	Optimal Point binary search, math	2900	x576
845E	Fire in the City binary search, data structures	2400	x577
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x578
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x580
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x581
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x582
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x588
993D	Compute Power binary search, dp, greedy	2500	x592
815D	Karen and Cards binary search, combinatorics, data structures, geometry	2800	x593
50D	Bombing binary search, dp, probabilities	2100	x595
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x596
131F	Present to Mom binary search, two pointers	2000	x598
76F	Tourist binary search, data structures, dp	2300	x601
1476F	Lanterns binary search, data structures, dp	3000	x612
847J	Students Initiation binary search, flows, graphs	2400	x612
883C	Downloading B++ binary search, implementation	2300	x614
796E	Exam Cheating binary search, dp	2400	x620
1019D	Large Triangle binary search, geometry, sortings	2700	x624
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x626
1550F	Jumping Around binary search, data structures, divide and conquer, dp, dsu, graphs, shortest paths	2700	x627
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x634
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x634
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x647
571D	Campus binary search, data structures, dsu, trees	3100	x647
1866L	Lihmuf Balling binary search, brute force, math	2400	x648