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leetcode-7. reverse integer

admin 11月 13, 2020 0

Reverse digits of an integer.

Example1:

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x = 123, return 321

Example2:

1
 
x = -123, return -321

Note:

The input is assumed to be a 32-bit signed integer. Your function should return 0 when the reversed integer overflows.

代码

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public long reverse(int x){
    long y=0;
    int n;
    while( x != 0){
        n = x%10;
        y = y*10 + n;
        x /= 10;
    }
    return y;
}
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