Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 943 (Div. 3)
08:33:14
Register now »

→ Filter Problems

Difficulty: —

two pointers

Add tag

Problems

#	Name
430B	Balls Game brute force, two pointers	1400	x3626
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7491
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8062
416A	Guess a number! greedy, implementation, two pointers	1400	x8637
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8986
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9097
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9112
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9472
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10305
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10414
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10507
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x12278
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12282
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12784
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x12856
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x12958
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13507
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13922
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15181
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15691
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15857
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16060
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19013
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22160
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26683
279B	Books binary search, brute force, implementation, two pointers	1400	x47635
60A	Where Are My Flakes? implementation, two pointers	1300	x3523
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4674
1776H	Beppa and SwerChat two pointers	1300	x5996
318B	Strings of Power implementation, strings, two pointers	1300	x7370
1107C	Brutality greedy, sortings, two pointers	1300	x9643
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10082
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10696
716B	Complete the Word greedy, two pointers	1300	x11799
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11980
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12293
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12418
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13735
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14475
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14674
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15768
251A	Points on Line binary search, combinatorics, two pointers	1300	x16563
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18120
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18405
1366B	Shuffle math, two pointers	1300	x19572
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21207
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26934
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27351
769B	News About Credit *special problem, greedy, two pointers	1200	x3233
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7775
892B	Wrath greedy, implementation, two pointers	1200	x8657
842A	Kirill And The Game brute force, two pointers	1200	x9956
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10585
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11312
387B	George and Round brute force, greedy, two pointers	1200	x11905
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x12978
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14283
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15136
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15548
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18058
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18769
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19169
1692E	Binary Deque binary search, implementation, two pointers	1200	x19853
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20014
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20184
1133C	Balanced Team sortings, two pointers	1200	x21259
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26759
1399C	Boats Competition brute force, greedy, two pointers	1200	x27734
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29095
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36281
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46420
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11629
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12743
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13347
1610B	Kalindrome Array greedy, two pointers	1100	x14734
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17174
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17414
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17611
1899C	Yarik and Array dp, greedy, two pointers	1100	x18016
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19548
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19878
1547C	Pair Programming greedy, two pointers	1100	x21997
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x22966
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18786
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19053
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21197
1760D	Challenging Valleys implementation, two pointers	1000	x22299
1744C	Traffic Light binary search, implementation, two pointers	1000	x24122
978C	Letters binary search, implementation, two pointers	1000	x24319
1840C	Ski Resort combinatorics, math, two pointers	1000	x24488
1690D	Black and White Stripe implementation, two pointers	1000	x26678
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27044
1896B	AB Flipping greedy, strings, two pointers	900	x13306
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15753
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16371
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16722
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20853
1843B	Long Long greedy, math, two pointers	800	x27972
1851B	Parity Sort greedy, sortings, two pointers	800	x28008
1840A	Cipher Shifer implementation, strings, two pointers	800	x32482