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Don't miss a day to solve the problem My leetcode graph - https://leetcode.com/SamoylenkoDmitry/
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| Sana | Obunachilarni jalb qilish | Esdaliklar | Kanallar | |
| 23 Iyul | +1 | |||
| 22 Iyul | +2 | |||
| 21 Iyul | +1 | |||
| 20 Iyul | +2 | |||
| 19 Iyul | +3 | |||
| 18 Iyul | +1 | |||
| 17 Iyul | +1 | |||
| 16 Iyul | 0 | |||
| 15 Iyul | +2 | |||
| 14 Iyul | +3 | |||
| 13 Iyul | +1 | |||
| 12 Iyul | +6 | |||
| 11 Iyul | +2 | |||
| 10 Iyul | +3 | |||
| 09 Iyul | +2 | |||
| 08 Iyul | +1 | |||
| 07 Iyul | +3 | |||
| 06 Iyul | +3 | |||
| 05 Iyul | +2 | |||
| 04 Iyul | +3 | |||
| 03 Iyul | +1 | |||
| 02 Iyul | +4 | |||
| 01 Iyul | +1 |
Kanal postlari
# 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
| 2 |  # 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 | 63 |
| 3 |  # 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 | 75 |
| 4 |  # 20.07.2026
1260. Shift 2D Grid
easy
Shift right 2d grid
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/R-CR5XVl50I | 86 |
| 5 |  # 19.07.2026
1081. Smallest Subsequence of Distinct Characters
medium
Smallest uniq-chars subsequence
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/NoN0DU7Wk1U | 101 |
| 6 |  # 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 | 112 |
| 7 |  # 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 | 105 |
| 8 |  # 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 | 101 |
| 9 |  # 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 | 116 |
| 10 |  # 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 | 109 |
| 11 |  # 13.07.2026
1291. Sequential Digits
medium
Increasing digit numbers in a range
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/E7T4fvPS9Z8 | 107 |
| 12 |  # 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 | 110 |
| 13 |  # 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 | 115 |
| 14 |  # 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 | 134 |
| 15 |  # 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 | 131 |
| 16 |  # 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 | 135 |
| 17 |  # 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 | 134 |
| 18 |  # 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 | 135 |
| 19 |  # 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 | 132 |
| 20 |  # 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 | 153 |
