IP 地址转换

178913294 -->10.170.0.14

//s = a*1677216 + b*65536 + c*256 + d;

�long s = 178913294;

�int a, b, c, d;

�a = b = c = d = 0;

�d=(int) s%256;

c=(int)(s-d)%65536/256;

�b=(int)(s-d-c*256)%16777216/65536;

a=(int)(s-d-c*256-b*65536)/16777216;

System.out.print( a + "." + b + "." + c + "." + d);

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