Problemset - Codeforces

Problems

#	Name
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x95
683H	Exchange of Books *special problem	1900	x95
72F	Oil *special problem, greedy, math	1900	x117
683G	The Fraction *special problem	1900	x130
470D	Caesar Cipher *special problem	1900	x148
207B2	Military Trainings	1900	x177
470E	Chessboard *special problem	1900	x193
1002E2	Another array reconstruction algorithm	1900	x199
1958E	Yet Another Permutation Constructive *special problem, constructive algorithms	1900	x205
648D	Собачки и миски data structures, greedy, sortings	1900	x222
661B	Seasons *special problem	1900	x225
162D	Remove digits *special problem	1900	x226
661F	Primes in Interval *special problem	1900	x232
470C	Eval *special problem	1900	x233
178D2	Magic Squares	1900	x261
1002A4	Generate W state	1900	x262
178C2	Smart Beaver and Resolving Collisions	1900	x283
178E1	The Beaver's Problem - 2	1900	x287
1488D	Problemsolving Marathon *special problem, binary search, greedy	1900	x332
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x401
177E2	Space Voyage binary search	1900	x402
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x427
656G	You're a Professional *special problem	1900	x475
38D	Vasya the Architect implementation	1900	x479
421D	Bug in Code binary search, data structures, sortings	1900	x501
241G	Challenging Balloons constructive algorithms	1900	x541
331B2	Shave Beaver! data structures	1900	x672
180D	Name greedy, strings	1900	x714
1970B1	Exact Neighbours (Easy) constructive algorithms	1900	x729
199B	Special Olympics geometry	1900	x781
928D	Autocompletion *special problem, strings, trees	1900	x803
412E	E-mail Addresses implementation	1900	x810
1970G1	Min-Fund Prison (Easy) dfs and similar, trees	1900	x825
529B	Group Photo 2 (online mirror version) brute force, greedy, sortings	1900	x854
45C	Dancing Lessons data structures	1900	x860
250D	Building Bridge geometry, ternary search, two pointers	1900	x876
1970C3	Game on Tree (Hard) dfs and similar, dp, games, trees	1900	x879
928C	Dependency management *special problem, graphs, implementation	1900	x881
656F	Ace It! *special problem	1900	x883
93B	End of Exams greedy	1900	x904
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x909
926E	Merge Equal Elements constructive algorithms, data structures	1900	x915
46E	Comb data structures, dp	1900	x926
69D	Dot dp, games	1900	x936
103C	Russian Roulette constructive algorithms, greedy	1900	x938
173C	Spiral Maximum brute force, dp	1900	x965
784F	Crunching Numbers Just for You *special problem, implementation	1900	x1002
195D	Analyzing Polyline geometry, math, sortings	1900	x1008
138B	Digits Permutations greedy	1900	x1009
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1068
457B	Distributed Join greedy	1900	x1127
336B	Vasily the Bear and Fly math	1900	x1178
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1222
63D	Dividing Island constructive algorithms	1900	x1226
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1271
1938C	Bit Counting Sequence	1900	x1277
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1294
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees	1900	x1306
1906E	Merge Not Sort constructive algorithms, dp	1900	x1322
135C	Zero-One constructive algorithms, games, greedy	1900	x1324
109B	Lucky Probability brute force, probabilities	1900	x1325
1912D	Divisibility Test math	1900	x1342
208B	Solitaire dfs and similar, dp	1900	x1345
67D	Optical Experiment binary search, data structures, dp	1900	x1345
261B	Maxim and Restaurant dp, math, probabilities	1900	x1365
1090B	LaTeX Expert	1900	x1374
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1380
1773K	King's Puzzle constructive algorithms	1900	x1385
883G	Orientation of Edges dfs and similar, graphs	1900	x1387
232B	Table bitmasks, combinatorics, dp, math	1900	x1391
126A	Hot Bath binary search, brute force, math	1900	x1408
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1411
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1422
717E	Paint it really, really dark gray dfs and similar	1900	x1429
158E	Phone Talks *special problem, dp, sortings	1900	x1451
452D	Washer, Dryer, Folder greedy, implementation	1900	x1475
137D	Palindromes dp, strings	1900	x1478
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1485
847I	Noise Level dfs and similar, implementation, math	1900	x1505
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1512
223C	Partial Sums combinatorics, math, number theory	1900	x1514
16D	Logging implementation, strings	1900	x1517
226B	Naughty Stone Piles greedy	1900	x1537
37C	Old Berland Language data structures, greedy, trees	1900	x1545
257D	Sum greedy, math	1900	x1546
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1551
1184E1	Daleks' Invasion (easy) graphs, trees	1900	x1565
215D	Hot Days greedy	1900	x1577
55C	Pie or die games	1900	x1591
229C	Triangles combinatorics, graphs, math	1900	x1594
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1607
1120A	Diana and Liana greedy, implementation, two pointers	1900	x1622
14E	Camels dp	1900	x1622
819B	Mister B and PR Shifts data structures, implementation, math	1900	x1624
653C	Bear and Up-Down brute force, implementation	1900	x1628
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1655
362C	Insertion Sort data structures, dp, implementation, math	1900	x1658
213B	Numbers combinatorics, dp	1900	x1667
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1709
746E	Numbers Exchange greedy, implementation, math	1900	x1711

←

→ Pay attention

Before contest
Educational Codeforces Round 166 (Rated for Div. 2)
25:47:11
Register now »

→ Filter Problems

Difficulty: —

Add tag