【LeetCode】Reverse digits of an integer
2014-03-12 15:09
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Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Example1: x = 123, return 321
Example2: x = -123, return -321
class Solution { public: int reverse(int x) { int ret = 0; bool positive = true; if(x < 0) { positive = false; x = -x; } while(x) { ret = ret * 10 + x % 10; x = x /10; } return positive?ret:-ret; } };
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