LeetCode solution to a problem Summary (continuously updated and migrated to this blog list gradually )
Offer to prove safety
data structure
List
| No. | topic | Difficulty |
|---|---|---|
| 06 | List print head from the tail | simple |
| 18 | Delete the list of nodes | simple |
| 22 | The list penultimate k nodes | simple |
Binary Tree
| No. | topic | Difficulty |
|---|---|---|
| 07 | Reconstruction of a binary tree | medium |
Stacks and queues
| No. | topic | Difficulty |
|---|---|---|
| 09 | Two stacks queue | simple |
Map
| No. | topic | Difficulty |
|---|---|---|
| 12 | Matrix path | medium |
| 13 | Range of motion of the robot | medium |
algorithm
Dynamic Programming
| No. | topic | Difficulty |
|---|---|---|
| 10- I | Fibonacci number | simple |
| 10- II | Frog jump step problems | simple |
Seek
| No. | topic | Difficulty |
|---|---|---|
| 04 | Two-dimensional array lookup | simple |
other
| No. | topic | Difficulty |
|---|---|---|
| 03 | Array duplicate numbers | simple |
| 05 | Replace spaces | simple |
| 11 | Minimum number of rotation of the array | simple |
Golden programmer interview
data structure
String
| No. | topic | Difficulty |
|---|---|---|
| 01.01 | Determine whether the unique character | simple |
| 01.02 | Mutually determine whether the character rearrangement | simple |
| 01.03 | URL of | simple |
| 01.04 | Palindromic arrangement | simple |
| 01.06 | String compression | simple |
algorithm
LeetCode
data structure
Binary Tree
| No. | topic | Difficulty |
|---|---|---|
| 105 | Previous order and sequence preorder binary tree structure | medium |
algorithm
Dynamic Programming
| No. | topic | Difficulty |
|---|---|---|
| 509 | Fibonacci | simple |
other
| No. | topic | Difficulty |
|---|---|---|
| 79 | Word Search | medium |
| 240 | Search two-dimensional matrix II | medium |