Math
Start on Jan 28th 2018 End on Feb 10th 2018 (1) Conversion To/From Integers 7. Reverse Integer (N) int reverse(int x) { long r = 0; while (x) { int remainder = x % 10; r = r * 10 + remainder; x /= 10; } return (r >= INT_MIN && r <= INT_MAX) ? r : 0; } 8. String to Integer (atoi) (N) The function first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this character, takes an optional initial plus or minus sign followed by as many numerical digits as possible, and interprets them as a numerical value. The string can contain additional characters after those that f...