String
Counting, scanning and rebuilding text: frequency tables, two pointers, parsing, and KMP for the hard ones.
- Problems
- 21
- Videos
- 12
| Problem | Video | LeetCode | |
|---|---|---|---|
01Check if the Sentence Is Pangram | Solve ↗ | ||
02Check if Two String Arrays are Equivalent | Solve ↗ | ||
03Delete Columns to Make Sorted | Solve ↗ | ||
04Find the Index of the First Occurrence in a String | Solve ↗ | ||
05Repeated Substring Pattern | Solve ↗ | ||
06String Compression | Solve ↗ | ||
07Integer to Roman | Solve ↗ | ||
08Determine if Two Strings Are Close | Solve ↗ | ||
09Restore IP Addresses | Solve ↗ | ||
10Remove Duplicate Letters | Solve ↗ | ||
11Reverse Words in a String | Solve ↗ | ||
12Count Number of Homogenous Substrings | Solve ↗ | ||
13Sort Vowels in a String | Solve ↗ | ||
14Find Unique Binary String | Solve ↗ | ||
15Number of Laser Beams in a Bank | Solve ↗ | ||
16Adding Spaces to a String | Solve ↗ | ||
17Count the Number of Substrings With Dominant Ones | Solve ↗ | ||
18Sort the Jumbled Numbers | Solve ↗ | ||
19Find Beautiful Indices in the Given Array I | Solve ↗ | ||
20Concatenated Words | Solve ↗ | ||
21Shortest Palindrome | Solve ↗ |