Problemset - Codeforces

→ Pay attention

Before contest
Educational Codeforces Round 165 (Rated for Div. 2)
33:29:06
Register now »

→ Filter Problems

Difficulty: —

brute force

Add tag

Problems

#	Name
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6344
1152C	Neko does Maths brute force, math, number theory	1800	x6519
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6548
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6558
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6676
988D	Points and Powers of Two brute force, math	1800	x6776
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6846
3C	Tic-tac-toe brute force, games, implementation	1800	x6849
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6936
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7036
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7213
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7216
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7277
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7287
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7939
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8512
1500A	Going Home brute force, hashing, implementation, math	1800	x8530
584D	Dima and Lisa brute force, math, number theory	1800	x8802
300C	Beautiful Numbers brute force, combinatorics	1800	x8843
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x10851
448D	Multiplication Table binary search, brute force	1800	x13249
183B	Zoo brute force, geometry	1700	x677
202B	Brand New Easy Problem brute force	1700	x807
98A	Help Victoria the Wise brute force, implementation	1700	x1166
106D	Treasure Island brute force, implementation	1700	x1292
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1319
63C	Bulls and Cows brute force, implementation	1700	x1624
305B	Continued Fractions brute force, implementation, math	1700	x2032
18B	Platforms brute force, math	1700	x2059
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2093
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2208
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2920
156A	Message brute force	1700	x2991
850A	Five Dimensional Points brute force, geometry, math	1700	x2992
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3060
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3274
1142A	The Beatles brute force, math	1700	x3294
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3296
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3412
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3533
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3541
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3760
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3795
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3941
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4142
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
789B	Masha and geometric depression brute force, implementation, math	1700	x4342
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4357
831C	Jury Marks brute force, constructive algorithms	1700	x4365
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4367
900C	Remove Extra One brute force, data structures, math	1700	x4408
1019A	Elections brute force, greedy	1700	x4510
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4561
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4943
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5023
578B	"Or" Game brute force, greedy	1700	x5111
1210A	Anadi and Domino brute force, graphs	1700	x5116
1132C	Painting the Fence brute force	1700	x5255
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5265
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5380
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5394
1118D1	Coffee and Coursework (Easy version) brute force, greedy	1700	x5415
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5450
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5537
815A	Karen and Game brute force, greedy, implementation	1700	x5571
1210B	Marcin and Training Camp brute force, greedy	1700	x5662
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x5846
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x6018
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6100
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6139
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6176
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6307
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6309
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6454
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6530
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6649
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6662
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6689
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x6963
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7086
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7137
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7196
1114C	Trailing Loves (or L'oeufs?) brute force, implementation, math, number theory	1700	x7245
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7270
1835A	k-th equality brute force, implementation, math	1700	x7408
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7708
1512G	Short Task brute force, dp, math, number theory	1700	x7784
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7839
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x8001
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8247
1826D	Running Miles brute force, dp, greedy	1700	x8492
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8897
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8898
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9131
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9250
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9364
1814B	Long Legs brute force, math	1700	x9483
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9507
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9925
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10348