Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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brute force

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Problems

#	Name
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10399
1467B	Hills And Valleys brute force, implementation	1700	x10693
1400B	RPG Protagonist brute force, greedy, math	1700	x10823
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11478
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11813
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12164
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12179
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12377
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34456
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1171
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1243
856A	Set Theory brute force, constructive algorithms	1600	x1354
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1466
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1663
135B	Rectangle and Square brute force, geometry, math	1600	x2294
142A	Help Farmer brute force, math	1600	x2559
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2583
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2598
55B	Smallest number brute force	1600	x2618
380A	Sereja and Prefixes binary search, brute force	1600	x2645
849B	Tell Your World brute force, geometry	1600	x3475
260B	Ancient Prophesy brute force, implementation, strings	1600	x3734
837B	Flag of Berland brute force, implementation	1600	x3881
932C	Permutation Cycle brute force, constructive algorithms	1600	x3964
231D	Magic Box brute force, geometry	1600	x4027
825B	Five-In-a-Row brute force, implementation	1600	x4048
626C	Block Towers brute force, greedy, math, number theory	1600	x4285
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4362
317A	Perfect Pair brute force	1600	x4525
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4605
407A	Triangle brute force, geometry, implementation, math	1600	x4739
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4875
845B	Luba And The Ticket brute force, greedy, implementation	1600	x4929
1468K	The Robot brute force, implementation	1600	x4953
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x4998
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5067
1033C	Permutation Game brute force, dp, games	1600	x5363
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5583
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5756
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6287
219C	Color Stripe brute force, dp, greedy	1600	x6530
1175C	Electrification binary search, brute force, greedy	1600	x6591
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6653
1096C	Polygon for the Angle brute force, geometry	1600	x6661
922C	Cave Painting brute force, number theory	1600	x6832
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x6939
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7000
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7003
1148B	Born This Way binary search, brute force, two pointers	1600	x7143
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7158
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7229
1928C	Physical Education Lesson brute force, math, number theory	1600	x7328
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7382
1778C	Flexible String bitmasks, brute force, strings	1600	x7619
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x7748
1615C	Menorah brute force, graphs, greedy, math	1600	x8027
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8079
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8091
1290A	Mind Control brute force, data structures, implementation	1600	x8298
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8547
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8571
1225C	p-binary bitmasks, brute force, math	1600	x8635
1907E	Good Triples brute force, combinatorics, number theory	1600	x8661
1921E	Eat the Chip brute force, games, greedy, math	1600	x8789
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8882
704A	Thor brute force, data structures, implementation	1600	x8924
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9073
1498C	Planar Reflections brute force, data structures, dp	1600	x9149
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9151
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9171
1140C	Playlist brute force, data structures, sortings	1600	x9199
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9278
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9464
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9754
1687A	The Enchanted Forest brute force, greedy	1600	x9925
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9937
1512E	Permutation by Sum brute force, greedy, math	1600	x9972
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x9973
559A	Gerald's Hexagon brute force, geometry, math	1600	x10273
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10381
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10644
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x10871
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10948
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11016
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11017
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11269
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11608
1920C	Partitioning the Array brute force, math, number theory	1600	x11661
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11701
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11844
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12208
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12216
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12284
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12656
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13482
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x13495
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14528
1389B	Array Walk brute force, dp, greedy	1600	x15746
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16021
371C	Hamburgers binary search, brute force	1600	x23452