程式語言 - LeetCode - C - 7. Reverse Integer



參考資訊:
https://www.cnblogs.com/grandyang/p/4125588.html

題目:


解答:

int reverse(int x)
{
    int r = 0;

    while (x != 0) {
        if (abs(r) > (INT_MAX / 10)) {
            return 0;
        }

        r = (r * 10) + (x % 10);
        x /= 10;
    }

    return r;
}