#include <stdio.h>
#include <math.h>
#include <string.h>
int main()
{
char a[33];
int b[5];
char c;
int sum = 0;
int count = 0;
int k = 0;
for (int i = 0; i < 32; i++)
{
c = getchar();
a[i] = c;
}
for (int i = 31; i >= 0; i--)
{
if (a[i] == ‘1‘)
{
sum += pow(2, count);
}
count++;
if (count % 8 == 0)
{
b[k] = sum;
k++;
count = 0;
sum = 0;
}
}
for (int i = 3; i >= 0; i--)
{
printf("%d", b[i]);
if (i != 0)
{
printf(".");
}
}
}PTA ------ 地址转换
原文：https://blog.51cto.com/14737345/2488847
