https://leetcode.com/problems/minimum-cost-to-convert-string-i/description/
Min cost to change source to target #medium #FloydWarshall
Min cost to change source to target #medium #FloydWarshall
👍2
July 27, 2024
https://leetcode.com/problems/second-minimum-time-to-reach-destination/description/
Second min time to travel from
Second min time to travel from
1
to n
in time
-edged graph stopping every change
seconds #hard #graph #bfs👍2
July 28, 2024
https://leetcode.com/problems/count-number-of-teams/description/
Count increasing or decreasing
Count increasing or decreasing
(i, j, k)
#medium👍2
July 29, 2024
https://leetcode.com/problems/minimum-deletions-to-make-string-balanced/description/
Min removals to sort 'ab' string #medium
Min removals to sort 'ab' string #medium
👍1
July 30, 2024
https://leetcode.com/problems/filling-bookcase-shelves/description/
Min total height to split
Min total height to split
[[w,h]]
array by shelfWidth
#medium #dynamic_programming👍2
July 31, 2024
July 31, 2024
https://leetcode.com/problems/number-of-senior-citizens/description/
Count filtered by a substring #easy
Count filtered by a substring #easy
👍3
August 1, 2024
https://leetcode.com/problems/minimum-swaps-to-group-all-1s-together-ii/description/
Min swaps to make a circular [01] array #medium #sliding_window
Min swaps to make a circular [01] array #medium #sliding_window
👍3
August 2, 2024
https://leetcode.com/problems/make-two-arrays-equal-by-reversing-subarrays/description/
Can
Can
arr
transform to target
by rotating subarrays? #easy👍3
August 3, 2024
https://leetcode.com/problems/range-sum-of-sorted-subarray-sums/description/
Sum of
Sum of
[left..right]
of sorted subarray sums #medium #heap👍3
August 4, 2024
https://leetcode.com/problems/minimum-number-of-pushes-to-type-word-ii/description/
Minimum keystrokes after assigning letter to keys #medium
Minimum keystrokes after assigning letter to keys #medium
👍4
August 6, 2024
https://leetcode.com/problems/spiral-matrix-iii/description/
2D spiraling order #medium #matrix #simulation
2D spiraling order #medium #matrix #simulation
👍2
August 8, 2024
https://leetcode.com/problems/magic-squares-in-grid/description/
Count 9x9 1..9 equal row col diag sum subgrids #medium
Count 9x9 1..9 equal row col diag sum subgrids #medium
👍3
August 9, 2024
https://leetcode.com/problems/regions-cut-by-slashes/description/
Count islands divided by '\' and '/' in 2D matrix #medium #union-find
Count islands divided by '\' and '/' in 2D matrix #medium #union-find
👍2
August 10, 2024
https://leetcode.com/problems/minimum-number-of-days-to-disconnect-island/description/
Min changes 1 to 0 to disconnect islands #hard #union-find
Min changes 1 to 0 to disconnect islands #hard #union-find
👍2🔥2
August 11, 2024
https://leetcode.com/problems/kth-largest-element-in-a-stream/description/
`k`th largest in a stream of values #easy #heap
`k`th largest in a stream of values #easy #heap
👍2
August 12, 2024
https://leetcode.com/problems/combination-sum-ii/description/
Unique target sum subsequencies #medium #backtracking
Unique target sum subsequencies #medium #backtracking
👍1
August 13, 2024
https://leetcode.com/problems/find-k-th-smallest-pair-distance/description/
`k`th smallest pairs diff in array #hard #binary_search #two_pointers
`k`th smallest pairs diff in array #hard #binary_search #two_pointers
👍1
August 14, 2024