- 1.two-sum
- 7.reverse-integer
- 9.palindrome-number
- 14.longest-common-prefix
- 27.remove-element
- 35.search-insert-position
- 58.length-of-last-word
- 70.climb-stairs
- 169.majority-element
- 198.house-robber
- 231.power-of-two
- 290.word-pattern
- 349.intersection-of-two-array
- 367.valid-perfect-square
- 704.binary-search