Problemset - Codeforces

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Problems

#	Name
314A	Sereja and Contest implementation	1600	x2073
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5625
305C	Ivan and Powers of Two greedy, implementation	1600	x2445
305B	Continued Fractions brute force, implementation, math	1700	x2061
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4770
303B	Rectangle Puzzle II implementation, math	1700	x1346
301A	Yaroslav and Sequence constructive algorithms	1800	x3075
300C	Beautiful Numbers brute force, combinatorics	1800	x9432
300B	Coach brute force, dfs and similar, graphs	1500	x6285
297B	Fish Weight constructive algorithms, greedy	1600	x3478
297A	Parity Game constructive algorithms	1700	x3622
295B	Greg and Graph dp, graphs, shortest paths	1700	x13942
295A	Greg and Array data structures, implementation	1400	x17710
294B	Shaass and Bookshelf dp, greedy	1700	x4532
293A	Weird Game games, greedy	1500	x2880
291D	Parallel Programming *special problem, greedy	1600	x1478
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1679
290D	Orange *special problem, implementation	1400	x1801
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1542
290B	QR code *special problem, implementation	1500	x2436
290A	Mysterious strings *special problem, implementation	1400	x2994
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17251
288C	Polo the Penguin and XOR operation implementation, math	1700	x2289
288B	Polo the Penguin and Houses combinatorics	1500	x2912
287B	Pipeline binary search, math	1700	x9666
286A	Lucky Permutation constructive algorithms, math	1400	x3164
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6559
283B	Cow Program dfs and similar, dp, graphs	1700	x3659
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6558
282C	XOR and OR constructive algorithms, implementation, math	1500	x9380
282B	Painting Eggs greedy, math	1500	x12924
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3029
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4533
279C	Ladder dp, implementation, two pointers	1700	x8234
279B	Books binary search, brute force, implementation, two pointers	1400	x52393
279A	Point on Spiral brute force, geometry, implementation	1400	x5589
278B	New Problem brute force, strings	1500	x3453
277A	Learning Languages dfs and similar, dsu	1400	x18817
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13740
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x26260
275B	Convex Shape constructive algorithms, implementation	1700	x2826
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5001
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10030
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2625
272C	Dima and Staircase data structures, implementation	1500	x6779
272B	Dima and Sequence implementation, math	1400	x4020
271D	Good Substrings data structures, strings	1800	x11222
271C	Secret constructive algorithms, implementation	1500	x2945
270B	Multithreading data structures, greedy, implementation	1400	x4130
269B	Greenhouse Effect dp	1700	x6287
269A	Magical Boxes greedy, math	1600	x3521
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13624
264B	Good Sequences dp, number theory	1500	x10141
263D	Cycle in Graph dfs and similar, graphs	1800	x3597
261A	Maxim and Discounts greedy, sortings	1400	x5162
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2974
260B	Ancient Prophesy brute force, implementation, strings	1600	x3803
260A	Adding Digits implementation, math	1400	x14612
257C	View Angle brute force, geometry, math	1800	x4297
255D	Mr. Bender and Square binary search, implementation, math	1800	x1976
255C	Almost Arithmetical Progression brute force, dp	1500	x4705
254C	Anagram greedy, strings	1800	x1496
254B	Jury Size brute force, implementation	1500	x2150
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2599
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10680
252B	Unsorting Array brute force, sortings	1800	x1712
251B	Playing with Permutations implementation, math	1800	x1270
250C	Movie Critics greedy	1600	x1932
250B	Restoring IPv6 implementation, strings	1500	x1980
248B	Chilly Willy math, number theory	1400	x5306
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9417
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2629
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6608
245E	Mishap in Club greedy, implementation	1400	x3277
245D	Restoring Table constructive algorithms, greedy	1500	x2301
245C	Game with Coins greedy	1700	x1545
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4470
243A	The Brand New Function bitmasks	1600	x3912
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8566
239B	Easy Tape Programming brute force, implementation	1500	x1371
238B	Boring Partition constructive algorithms	1800	x1288
237C	Primes on Interval binary search, number theory, two pointers	1600	x5743
237B	Young Table implementation, sortings	1500	x2235
235A	LCM Challenge number theory	1600	x17678
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1474
234F	Fence dp	1800	x1736
234E	Champions' League implementation	1600	x1001
234D	Cinema implementation	1600	x1533
233B	Non-square Equation binary search, brute force, math	1400	x7464
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2520
231D	Magic Box brute force, geometry	1600	x4081
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8596
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3605
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4648
229A	Shifts brute force, two pointers	1500	x3507
228B	Two Tables brute force, implementation	1400	x3466
226A	Flying Saucer Segments math	1400	x3980
225C	Barcode dp, matrices	1700	x9084
225B	Well-known Numbers binary search, greedy, number theory	1600	x3150
224B	Array bitmasks, implementation, two pointers	1500	x7313