Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 997 (Div. 2)
47:00:36
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
352B	Jeff and Periods implementation, sortings	1300	x16758
350C	Bombs greedy, implementation, sortings	1600	x6586
350B	Resort graphs	1500	x3215
349B	Color the Fence data structures, dp, greedy, implementation	1700	x14116
348A	Mafia binary search, math, sortings	1600	x13371
347A	Difference Row constructive algorithms, implementation, sortings	1300	x9072
346A	Alice and Bob games, math, number theory	1600	x8771
345A	Expecting Trouble *special problem, probabilities	1500	x495
343B	Alternating Current data structures, greedy, implementation	1600	x14217
343A	Rational Resistance math, number theory	1600	x8968
342B	Xenia and Spies brute force, greedy, implementation	1500	x4041
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7298
340C	Tourist Problem combinatorics, implementation, math	1600	x4292
339D	Xenia and Bit Operations data structures, trees	1700	x26615
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8386
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4985
337B	Routine Problem greedy, math, number theory	1400	x9443
335A	Banana binary search, constructive algorithms, greedy	1400	x2633
334B	Eight Point Sets sortings	1400	x3622
333A	Secrets greedy	1600	x4070
332B	Maximum Absurdity data structures, dp, implementation	1500	x8112
332A	Down the Hatch! implementation	1300	x3595
331B1	Shave Beaver! implementation	1700	x757
331A2	Oh Sweet Beaverette data structures, sortings	1500	x1436
331A1	Oh Sweet Beaverette brute force, implementation	1400	x1400
330B	Road Construction constructive algorithms, graphs	1300	x17423
329B	Biridian Forest dfs and similar, shortest paths	1500	x6575
329A	Purification constructive algorithms, greedy	1500	x4664
328B	Sheldon and Ice Pieces greedy	1500	x1379
327C	Magic Five combinatorics, math	1700	x3246
325A	Square and Rectangles implementation	1500	x2169
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x795
322B	Ciel and Flowers combinatorics, math	1600	x11955
321A	Ciel and Robot binary search, implementation, math	1700	x3658
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7318
319A	Malek Dance Club combinatorics, math	1600	x2844
318B	Strings of Power implementation, strings, two pointers	1300	x7750
317A	Perfect Pair brute force	1600	x4694
316G1	Good Substrings hashing, strings	1700	x979
316E1	Summer Homework brute force, data structures	1500	x1489
316B2	EKG dfs and similar, dp	1600	x1602
316B1	EKG brute force, dfs and similar	1500	x1389
316A2	Special Task math	1400	x2162
315A	Sereja and Bottles brute force	1400	x11320
314A	Sereja and Contest implementation	1600	x2087
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5679
312B	Archer math, probabilities	1300	x11840
311A	The Closest Pair constructive algorithms, implementation	1300	x4078
305C	Ivan and Powers of Two greedy, implementation	1600	x2478
305B	Continued Fractions brute force, implementation, math	1700	x2160
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4862
304B	Calendar brute force, implementation	1300	x3000
303B	Rectangle Puzzle II implementation, math	1700	x1348
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x8027
300B	Coach brute force, dfs and similar, graphs	1500	x6424
298A	Snow Footprints greedy, implementation	1300	x11044
297B	Fish Weight constructive algorithms, greedy	1600	x3553
297A	Parity Game constructive algorithms	1700	x3667
295B	Greg and Graph dp, graphs, shortest paths	1700	x14732
295A	Greg and Array data structures, implementation	1400	x18895
294B	Shaass and Bookshelf dp, greedy	1700	x4598
293A	Weird Game games, greedy	1500	x2936
291D	Parallel Programming *special problem, greedy	1600	x1485
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1688
291B	Command Line Arguments *special problem, implementation, strings	1300	x3037
290D	Orange *special problem, implementation	1400	x1817
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1555
290B	QR code *special problem, implementation	1500	x2458
290A	Mysterious strings *special problem, implementation	1400	x3016
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17611
288C	Polo the Penguin and XOR operation implementation, math	1700	x2347
288B	Polo the Penguin and Houses combinatorics	1500	x2957
288A	Polo the Penguin and Strings greedy	1300	x6528
287B	Pipeline binary search, math	1700	x10130
286A	Lucky Permutation constructive algorithms, math	1400	x3203
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6650
283B	Cow Program dfs and similar, dp, graphs	1700	x3681
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6610
282C	XOR and OR constructive algorithms, implementation, math	1500	x9525
282B	Painting Eggs greedy, math	1500	x13146
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3048
279C	Ladder dp, implementation, two pointers	1700	x8343
279B	Books binary search, brute force, implementation, two pointers	1400	x55659
279A	Point on Spiral brute force, geometry, implementation	1400	x5644
278B	New Problem brute force, strings	1500	x3475
277A	Learning Languages dfs and similar, dsu	1400	x19304
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x14177
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x28530
276B	Little Girl and Game games, greedy	1300	x29145
275B	Convex Shape constructive algorithms, implementation	1700	x2847
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10150
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2645
272C	Dima and Staircase data structures, implementation	1500	x6836
272B	Dima and Sequence implementation, math	1400	x4046
271C	Secret constructive algorithms, implementation	1500	x3008
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13370
270B	Multithreading data structures, greedy, implementation	1400	x4202
269B	Greenhouse Effect dp	1700	x6395
269A	Magical Boxes greedy, math	1600	x3550
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13834