[leetcode 7] Reverse Integer
2015-01-11 22:13
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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) {
long long res = 0;
while (x) {
int i = x%10;
res = res*10 + i;
x /= 10;
}
if (res > INT_MAX || res < INT_MIN) {
return 0;
}
return res;
}
};
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