Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x523
314C	Sereja and Subsequences data structures, dp	2000	x1834
314B	Sereja and Periods binary search, dfs and similar, strings	2000	x1517
314A	Sereja and Contest implementation	1600	x2073
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x545
313D	Ilya and Roads dp	2100	x1459
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5628
313B	Ilya and Queries dp, implementation	1100	x44185
313A	Ilya and Bank Account implementation, number theory	900	x56144
312B	Archer math, probabilities	1300	x11506
312A	Whose sentence is it? implementation, strings	1100	x4974
311E	Biologist flows	2300	x1176
311D	Interval Cubing data structures, math	2600	x669
311C	Fetch the Treasure brute force, data structures, graphs, shortest paths	2500	x481
311B	Cats Transport data structures, dp	2400	x3421
311A	The Closest Pair constructive algorithms, implementation	1300	x4034
309E	Sheep binary search, greedy	2900	x222
309D	Tennis Rackets brute force, geometry	2700	x174
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1344
309B	Context Advertising dp, two pointers	2100	x712
309A	Morning run binary search, math, two pointers	2000	x488
306D	Polygon constructive algorithms, geometry	2300	x282
306C	White, Black and White Again combinatorics, number theory	2100	x483
306B	Optimizer data structures, greedy, sortings	2100	x442
306A	Candies implementation	800	x6828
305E	Playing with String games	2300	x627
305D	Olya and Graph combinatorics, math	2200	x507
305C	Ivan and Powers of Two greedy, implementation	1600	x2445
305B	Continued Fractions brute force, implementation, math	1700	x2092
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4776
304B	Calendar brute force, implementation	1300	x2977
304A	Pythagorean Theorem II brute force, math	1200	x10580
303E	Random Ranking dp, math, probabilities	3000	x319
303D	Rotatable Number math, number theory	2600	x296
303C	Minimum Modular brute force, graphs, math, number theory	2400	x875
303B	Rectangle Puzzle II implementation, math	1700	x1346
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7915
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x8141
302A	Eugeny and Array implementation	800	x9078
301E	Yaroslav and Arrangements dp	2800	x365
301D	Yaroslav and Divisors data structures	2200	x2352
301C	Yaroslav and Algorithm constructive algorithms	2500	x471
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2394
301A	Yaroslav and Sequence constructive algorithms	1800	x3080
300E	Empire Strikes Back binary search, math, number theory	2300	x1040
300D	Painting Square dp, fft	2300	x753
300C	Beautiful Numbers brute force, combinatorics	1800	x9470
300B	Coach brute force, dfs and similar, graphs	1500	x6291
300A	Array brute force, constructive algorithms, implementation	1100	x22752
299B	Ksusha the Squirrel brute force, implementation	900	x5299
299A	Ksusha and Array brute force, number theory, sortings	1000	x8079
298B	Sail brute force, greedy, implementation	1200	x14124
298A	Snow Footprints greedy, implementation	1300	x10922
297E	Mystic Carvings data structures	3000	x373
297D	Color the Carpet constructive algorithms	2500	x587
297C	Splitting the Uniqueness constructive algorithms	2400	x956
297B	Fish Weight constructive algorithms, greedy	1600	x3480
297A	Parity Game constructive algorithms	1700	x3622
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2245
296A	Yaroslav and Permutations greedy, math	1100	x23107
295E	Yaroslav and Points data structures	2500	x676
295D	Greg and Caves combinatorics, dp	2400	x649
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1699
295B	Greg and Graph dp, graphs, shortest paths	1700	x14002
295A	Greg and Array data structures, implementation	1400	x17807
294E	Shaass the Great dp, trees	2300	x933
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x361
294C	Shaass and Lights combinatorics, number theory	1900	x3807
294B	Shaass and Bookshelf dp, greedy	1700	x4534
294A	Shaass and Oskols implementation, math	800	x23475
293E	Close Vertices data structures, divide and conquer, trees	2700	x1403
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x238
293C	Cube Problem brute force, math, number theory	2400	x568
293B	Distinct Paths brute force, combinatorics	2700	x848
293A	Weird Game games, greedy	1500	x2884
292E	Copying Data data structures	1900	x4129
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2428
292C	Beautiful IP Addresses brute force	2000	x1167
292B	Network Topology graphs, implementation	1200	x8217
292A	SMSC implementation	1100	x2697
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1311
291D	Parallel Programming *special problem, greedy	1600	x1478
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1679
291B	Command Line Arguments *special problem, implementation, strings	1300	x3032
291A	Spyke Talks *special problem, implementation, sortings	800	x6086
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x132
290E	HQ *special problem, constructive algorithms	2500	x203
290D	Orange *special problem, implementation	1400	x1802
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1543
290B	QR code *special problem, implementation	1500	x2438
290A	Mysterious strings *special problem, implementation	1400	x2997
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17270
289A	Polo the Penguin and Segments brute force, implementation	1100	x9236
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x289
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x753
288C	Polo the Penguin and XOR operation implementation, math	1700	x2290
288B	Polo the Penguin and Houses combinatorics	1500	x2912
288A	Polo the Penguin and Strings greedy	1300	x6491
287B	Pipeline binary search, math	1700	x9688
287A	IQ Test brute force, implementation	1100	x19765