diff options
Diffstat (limited to 'other/reverse_integer.cpp')
-rw-r--r-- | other/reverse_integer.cpp | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/other/reverse_integer.cpp b/other/reverse_integer.cpp deleted file mode 100644 index 14f55cd..0000000 --- a/other/reverse_integer.cpp +++ /dev/null @@ -1,30 +0,0 @@ -// 7. Reverse Integer -#include "leetcode.h" - -/* - * given a signed 32-bit integer 'x', return 'x' with its digits reversed. if - * reversing 'x' causes the value to go outside the signed 32-bit integer range, - * then return 0 - */ - -class Solution { -public: - int reverse(int x) { - int ans = 0; - while (x) { - int tmp = ans * 10 + x % 10; - if (tmp / 10 != ans) - return 0; - ans = tmp; - x /= 10; - } - return ans; - } -}; - -int main() { - Solution obj; - printf("%d --> %d\n", 123, obj.reverse(123)); - printf("%d --> %d\n", -123, obj.reverse(-123)); - printf("%d --> %d\n", 120, obj.reverse(120)); -} |