https://leetcode.com/problems/build-a-matrix-with-conditions/description/
Build a matrix from a graph conditions #hard #graph #toposort
Build a matrix from a graph conditions #hard #graph #toposort
👍3
https://leetcode.com/problems/sort-array-by-increasing-frequency/description/
Sort by frequency or descending #easy
Sort by frequency or descending #easy
👍3
https://leetcode.com/problems/sort-the-jumbled-numbers/description/
Sort array by digits mapping #medium
Sort array by digits mapping #medium
👍2
https://leetcode.com/problems/find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance/description/
Node with minimum neighbours by
Node with minimum neighbours by
distanceThreshold
#medium #bfs #FloydWarshall👍2
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
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
https://leetcode.com/problems/count-number-of-teams/description/
Count increasing or decreasing
Count increasing or decreasing
(i, j, k)
#medium👍2
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
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
https://leetcode.com/problems/number-of-senior-citizens/description/
Count filtered by a substring #easy
Count filtered by a substring #easy
👍3
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
https://leetcode.com/problems/make-two-arrays-equal-by-reversing-subarrays/description/
Can
Can
arr
transform to target
by rotating subarrays? #easy👍3
https://leetcode.com/problems/range-sum-of-sorted-subarray-sums/description/
Sum of
Sum of
[left..right]
of sorted subarray sums #medium #heap👍3
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
https://leetcode.com/problems/spiral-matrix-iii/description/
2D spiraling order #medium #matrix #simulation
2D spiraling order #medium #matrix #simulation
👍2
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