Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
16:37:52
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Codeforces Round 941 (Div. 2)
16:37:50
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brute force

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Problems

#	Name
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1676
1914G1	Light Bulbs (Easy Version) brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees	2100	x1656
1005F	Berland and the Shortest Paths brute force, dfs and similar, graphs, shortest paths	2100	x1606
992D	Nastya and a Game brute force, implementation, math	2100	x1583
993C	Careful Maneuvering bitmasks, brute force, geometry	2100	x1478
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1465
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1408
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1384
1184A2	Heidi Learns Hashing (Medium) brute force, number theory	2100	x928
457C	Elections brute force	2100	x861
217B	Blackboard Fibonacci brute force, math	2100	x853
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x777
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x609
60C	Mushroom Strife brute force, dfs and similar	2100	x549
54D	Writing a Song brute force, dp, strings	2100	x503
215C	Crosses brute force, implementation	2100	x478
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6164
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x3479
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3315
1353F	Decreasing Heights brute force, dp	2200	x3052
1327D	Infinite Path brute force, dfs and similar, graphs, math, number theory	2200	x3023
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x2958
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2788
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2691
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2682
1806E	Tree Master brute force, data structures, dfs and similar, trees	2200	x2671
1154G	Minimum Possible LCM brute force, greedy, math, number theory	2200	x2613
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2506
1616E	Lexicographically Small Enough brute force, data structures, greedy, strings	2200	x2380
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2351
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2315
547A	Mike and Frog brute force, greedy, implementation, math	2200	x2310
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2299
1646E	Power Board brute force, dp, math, number theory	2200	x2292
1822G2	Magic Triples (Hard Version) brute force, data structures, math, number theory	2200	x2289
1704E	Count Seconds brute force, constructive algorithms, dp, graphs, implementation, math	2200	x2212
1311E	Construct the Binary Tree brute force, constructive algorithms, trees	2200	x2133
1695D1	Tree Queries (Easy Version) brute force, constructive algorithms, dfs and similar, dp, greedy, trees	2200	x2081
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x2072
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2059
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2051
1166D	Cute Sequences binary search, brute force, greedy, math	2200	x2042
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1983
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1940
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1836
1622E	Math Test bitmasks, brute force, greedy	2200	x1829
1737D	Ela and the Wiring Wizard brute force, dp, graphs, greedy, implementation, shortest paths	2200	x1806
785E	Anton and Permutation brute force, data structures	2200	x1776
1551F	Equidistant Vertices brute force, combinatorics, dfs and similar, dp, trees	2200	x1740
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1730
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1729
1840F	Railguns brute force, dfs and similar, dp, graphs	2200	x1691
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1681
920G	List Of Integers binary search, bitmasks, brute force, combinatorics, math, number theory	2200	x1671
1580C	Train Maintenance brute force, data structures, implementation	2200	x1655
1909F1	Small Permutation Problem (Easy Version) brute force, combinatorics, dp, math	2200	x1619
1105E	Helping Hiasat bitmasks, brute force, dp, meet-in-the-middle	2200	x1586
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1563
538F	A Heap of Heaps brute force, data structures, math, sortings	2200	x1495
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1469
1659E	AND-MEX Walk bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs	2200	x1456
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1447
1153E	Serval and Snake binary search, brute force, interactive	2200	x1446
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1444
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1411
1155E	Guess the Root brute force, interactive, math	2200	x1389
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1381
815B	Karen and Test brute force, combinatorics, constructive algorithms, math	2200	x1361
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1253
691F	Couple Cover brute force, dp, number theory	2200	x1244
113C	Double Happiness brute force, math, number theory	2200	x1201
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1147
906B	Seating of Students brute force, constructive algorithms, math	2200	x1121
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1109
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1105
337E	Divisor Tree brute force, number theory, trees	2200	x1003
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x903
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x890
1157G	Inverse of Rows and Columns brute force, constructive algorithms	2200	x867
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x744
366E	Dima and Magic Guitar brute force, implementation, math	2200	x742
47D	Safe brute force	2200	x741
71D	Solitaire brute force, implementation	2200	x598
42C	Safe cracking brute force, constructive algorithms	2200	x444
245G	Suggested Friends brute force, graphs	2200	x423
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x419
68C	Synchrophasotron brute force	2200	x303
105C	Item World brute force, implementation, sortings	2200	x269
1769D2	Игра в Девятку II *special problem, brute force	2200	x186
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2483
1658D2	388535 (Hard Version) bitmasks, brute force, data structures, math	2300	x2431
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2191
1712E1	LCM Sum (easy version) binary search, brute force, combinatorics, math, number theory, two pointers	2300	x2036
1783E	Game of the Year brute force, data structures, math, number theory	2300	x2016
1654E	Arithmetic Operations brute force, data structures, graphs, math	2300	x1987
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x1977
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1905
1607F	Robot on the Board 2 brute force, dfs and similar, graphs, implementation	2300	x1882
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x1787
1190C	Tokitsukaze and Duel brute force, games, greedy	2300	x1783