Problemset - Codeforces

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brute force

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Problems

#	Name
988E	Divisibility by 25 brute force, greedy	2100	x3639
430B	Balls Game brute force, two pointers	1400	x3628
1070H	BerOS File Suggestion brute force, implementation	1500	x3613
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3595
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3578
513B1	Permutations brute force	1400	x3575
1726D	Edge Split brute force, constructive algorithms, dfs and similar, dsu, graphs, probabilities, trees	2000	x3543
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3543
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3535
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3530
807B	T-Shirt Hunt brute force, implementation	1300	x3526
1906A	Easy As ABC brute force	1000	x3517
446B	DZY Loves Modification brute force, data structures, greedy	2000	x3514
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x3496
849B	Tell Your World brute force, geometry	1600	x3495
665B	Shopping brute force	1400	x3477
1168B	Good Triple brute force, two pointers	1900	x3445
229A	Shifts brute force, two pointers	1500	x3438
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3430
228B	Two Tables brute force, implementation	1400	x3430
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3421
1957D	A BIT of an Inequality bitmasks, brute force, dp, math	1900	x3418
278B	New Problem brute force, strings	1500	x3417
991E	Bus Number brute force, combinatorics, math	1800	x3402
1142A	The Beatles brute force, math	1700	x3392
38B	Chess brute force, implementation, math	1200	x3389
632D	Longest Subsequence brute force, math, number theory	2100	x3378
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3364
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3357
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3351
1017D	The Wu bitmasks, brute force, data structures	1900	x3337
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3330
30A	Accounting brute force, math	1400	x3314
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3309
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3299
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3297
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3274
1163C1	Power Transmission (Easy Edition) brute force, geometry	1900	x3260
839B	Game of the Rows brute force, greedy, implementation	1900	x3258
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x3236
1637E	Best Pair binary search, brute force, implementation	2100	x3184
1790F	Timofey and Black-White Tree brute force, dfs and similar, divide and conquer, graphs, greedy, math, shortest paths, trees	2100	x3149
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3092
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3083
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3080
474C	Captain Marmot brute force, geometry	2000	x3066
1327D	Infinite Path brute force, dfs and similar, graphs, math, number theory	2200	x3058
1353F	Decreasing Heights brute force, dp	2200	x3054
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3054
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3037
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3004
1181C	Flag brute force, combinatorics, dp, implementation	1900	x3003
850A	Five Dimensional Points brute force, geometry, math	1700	x2994
156A	Message brute force	1700	x2993
1644E	Expand the Path brute force, combinatorics, data structures, implementation, math	1900	x2980
354C	Vasya and Beautiful Arrays brute force, dp, number theory	2100	x2973
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2965
1810E	Monsters brute force, data structures, dfs and similar, dsu, graphs, greedy	2100	x2965
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x2961
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2960
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2935
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2921
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2919
304B	Calendar brute force, implementation	1300	x2918
102A	Clothes brute force	1200	x2907
1320C	World of Darkraft: Battle for Azathoth brute force, data structures, sortings	2000	x2901
181B	Number of Triplets binary search, brute force	1300	x2891
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2856
1204D1	Kirk and a Binary String (easy version) brute force, greedy, strings	2000	x2849
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x2843
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2841
887C	Solution for Cube brute force, implementation	1500	x2833
635A	Orchestra brute force, implementation	1100	x2819
1147B	Chladni Figure brute force, strings	1900	x2807
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2792
1662H	Boundary brute force, math		x2786
1166E	The LCMs Must be Large bitmasks, brute force, constructive algorithms, math, number theory	2100	x2781
958C1	Encryption (easy) brute force	1200	x2774
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2750
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x2748
113B	Petr# brute force, data structures, hashing, strings	2000	x2721
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2715
1952C	They Have Fooled brute force, schedules		x2707
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2696
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2690
1806E	Tree Master brute force, data structures, dfs and similar, trees	2200	x2682
380A	Sereja and Prefixes binary search, brute force	1600	x2652
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2650
1967B2	Reverse Card (Hard Version) brute force, math, number theory		x2638
394A	Counting Sticks brute force, implementation		x2633
55B	Smallest number brute force	1600	x2627
1154G	Minimum Possible LCM brute force, greedy, math, number theory	2200	x2619
846C	Four Segments brute force, data structures, dp	1800	x2612
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2607
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2603
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2602
48B	Land Lot brute force, implementation	1200	x2601
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2595
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2594
142A	Help Farmer brute force, math	1600	x2567