题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
https://www.nowcoder.com/practice/66ca0e28f90c42a196afd78cc9c496ea
#include <stdio.h>
int main()
{
int a, b, c, d;
long n1, n2;
while (scanf("%d.%d.%d.%d", &a, &b, &c, &d) == 4)
{
scanf("%u", &n1);
n2 = (a << 24) + (b << 16) + (c << 8) + d;
printf("%u\n", n2);
a = (n1 >> 24);
b = (n1 >> 16) & 255;
c = (n1 >> 8) & 255;
d = n1 & 255;
printf("%d.%d.%d.%d\n", a, b, c, d);
}
return 0;
}
