No 7 https://leetcode.com/problems/reverse-integer/
Runtime : 2ms (25.75% faster), Memory usage : 36 MB
No 8 https://leetcode.com/problems/string-to-integer-atoi/
Runtime : 2ms (56.69% faster), Memory usage : 38.4 MB
No 26 https://leetcode.com/problems/remove-duplicates-from-sorted-array/
Runtime : 0ms (100.0% faster), Memory usage : 41 MB
No 33 https://leetcode.com/problems/search-in-rotated-sorted-array/
Runtime : 0ms (100.0% faster), Memory usage : 38.2 MB
No 125 https://leetcode.com/problems/valid-palindrome/
Runtime : 4ms (41.16% faster), Memory usage : 39.2 MB
No 242 https://leetcode.com/problems/valid-anagram/
Runtime : 3ms (70.22% faster), Memory usage : 39 MB
No 344 https://leetcode.com/problems/reverse-string/
Runtime : 1ms (95.16% faster), Memory usage : 46 MB
No 387 https://leetcode.com/problems/first-unique-character-in-a-string/
Runtime : 4ms (98.73% faster), Memory usage : 39.6 MB
No 1114 https://leetcode.com/problems/print-in-order/
Runtime : 11ms (61.10% faster), Memory usage : 38.5 MB
No 1115 https://leetcode.com/problems/print-foobar-alternately/
Runtime : 18ms (75.87% faster), Memory usage : 39.3 MB
No 1629 https://leetcode.com/problems/slowest-key/
Runtime : 1ms (82.20% faster), Memory usage : 39.1 MB
No 1640 https://leetcode.com/problems/check-array-formation-through-concatenation/
Runtime : 1ms (80.90% faster), Memory usage : 38.6 MB