Leetcode_daily

# 23.07.2026 3513. Number of Unique XOR Triplets I medium Uniq xor of tripplets of 1..n blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/PNn1JVcV7wM

# 22.07.2026 3501. Maximize Active Section with Trade II hard Queries l..r of max ones after replacing surrounding zeros in range blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/8j-w662x-3g

# 21.07.2026 3499. Maximize Active Section with Trade I medium Max ones after replacing surrounding zeros blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/jG3cmEjBY7c

# 20.07.2026 1260. Shift 2D Grid easy Shift right 2d grid blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/R-CR5XVl50I

# 19.07.2026 1081. Smallest Subsequence of Distinct Characters medium Smallest uniq-chars subsequence blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/NoN0DU7Wk1U

# 18.07.2026 1979. Find Greatest Common Divisor of Array easy GCD of min & max blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/ovJUXzzYnvw

# 17.07.2026 3312. Sorted GCD Pair Queries hard Queries of position of gcd of every pair in a sorted order blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/oB0oVptzR34

# 16.07.2026 3867. Sum of GCD of Formed Pairs medium Sum of gcd(min,max) of gcd(x, prefix max) blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/6WixMY2VDxs

# 15.07.2026 3658. GCD of Odd and Even Sums easy Gcd of odds and evens blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/7ksMlk5woyU

# 14.07.2026 3336. Find the Number of Subsequences With Equal GCD hard Equal gcd subsequencies blog: https://dmitrysamoylenko.com/leetcode/ substack: https://open.substack.com/pub/dmitriisamoilenko/p/14072026-3336-find-the-number-of?r=2bam17&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true youtube: https://youtu.be/LnMMjFhXwfg

# 13.07.2026 1291. Sequential Digits medium Increasing digit numbers in a range blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/E7T4fvPS9Z8

# 12.07.2026 1331. Rank Transform of an Array easy Rank of items in an array blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/8yd87OStcow

# 11.07.2026 2685. Count the Number of Complete Components medium Fully connected components blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/pmytBsVvW-A

# 10.07.2026 3534. Path Existence Queries in a Graph II hard Queries of connected nodes shortest distances blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/tJYqTupC-3s

# 09.07.2026 3532. Path Existence Queries in a Graph I medium Queries of connected nodes blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/SDMKProm1Ew

# 08.07.2026 3756. Concatenate Non-Zero Digits and Multiply by Sum II medium Queries of sum digits * concat digits blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/7Hjaw3eIMik

# 07.07.2026 3754. Concatenate Non-Zero Digits and Multiply by Sum I easy Sum digits * concat digits blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Sxm72icB-yI

# 06.07.2026 1288. Remove Covered Intervals medium Count non intersecting intervals blog: https://dmitrysamoylenko.com/leetcode/ substack: https://open.substack.com/pub/dmitriisamoilenko/p/05072026-1301-number-of-paths-with?r=2bam17&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true youtube: https://youtu.be/DUXM7S8UToE

# 05.07.2026 1301. Number of Paths with Max Score hard Count maximal paths blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Z_SaG0xrlEk

# 04.07.2026 2492. Minimum Score of a Path Between Two Cities medium Min in connected edges blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Q6dW169goxk