| 1. |
Two Sum |
Array |
Easy |
Link |
| 7. |
Reverse Integer |
Math |
Easy |
Link |
| 9. |
Palindrome Number |
Math |
Easy |
Link |
| 20 |
Valid Parentheses |
String |
Easy |
Link |
| 26. |
Remove Duplicates from Sorted Array |
Array |
Easy |
Link |
| 27. |
Remove Element |
Array |
Easy |
Link |
| 28. |
Implement strStr() |
String |
Easy |
Link |
| 35. |
Search Insert Position |
Array |
Easy |
Link |
| 38. |
Count and Say |
String |
Easy |
Link |
| 53. |
Maximum Subarray |
Array |
Easy |
Link |
| 58. |
Length of Last Word |
String |
Easy |
Link |
| 67. |
Add Binary |
Array |
Easy |
Link |
| 69. |
Sqrt(x) |
Math |
Easy |
Link |
| 70. |
Climbing Stairs |
Dynamic |
Easy |
Link |
| 83. |
Remove Duplicates from Sorted List |
LinkedList |
Easy |
Link |
| 88. |
Merge Sorted Array |
Array |
Easy |
Link |
| 125. |
Valid Palindrome |
Strung |
Easy |
Link |
| 167. |
Two Sum II - Input array is sorted |
Array |
Easy |
Link |
| 168. |
Excel Sheet Column Title |
Math |
Easy |
Link |
| 169. |
Majority Element |
Array |
Easy |
Link |
| 171. |
Excel Sheet Column Number |
Math |
Easy |
Link |
| 198. |
House Robber |
Array |
Easy |
Link |
| 205. |
Isomorphic Strings |
Array |
Easy |
Link |
| 242. |
Valid Anagram |
String |
Easy |
Link |
| 283. |
Move Zeroes |
Array |
Easy |
Link |
| 292. |
Nim Game |
Math |
Easy |
Link |
| 344. |
Reverse String |
String |
Easy |
Link |
| 345. |
Reverse Vowels of a String |
String |
Easy |
Link |