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18 problems total
| Title | Difficulty | Videos | Companies |
|---|---|---|---|
| Find the Index of the First Occurrence in a String | easy | - | |
| Longest Substring Without Repeating Characters | medium | ||
| Longest Palindromic Substring | medium | ||
| Integer To Roman | medium | - | |
| Valid Parentheses | easy | ||
| Text Justification | hard | - | |
| Edit Distance | medium | - | |
| Basic Calculator 1 | hard | - | |
| Basic Calculator 2 Problem | medium | - | |
| Valid Anagram | easy | ||
| Shortest Word Distance 1 | easy | - | |
| Integer to English Words | hard | ||
| Reverse String | easy | ||
| Reverse Words in a String 3 | easy | - | |
| Robot Bounded In Circle | medium | - | |
| Remove All Adjacent Duplicates In String 1 | easy | - | |
| Maximum Number of Occurrences of a Substring | medium | - | |
| ZigZag Conversion | medium | - |