【C语言】整型数值范围

#include<stdio.h>
int main()
{
        int a=0;
        while(a<a+1)
        {
                a++;
        }
        printf("有符号基本整型的最大值是：%d\n\n",a);
        printf("有符号基本整型最大值+1的结果是：%d\n\n",a+1);
         
        int b=0;
        while(b>b-1)
        {
                b--;
        }
        printf("有符号基本整型的最小值是：%d\n\n",b);
        printf("有符号基本整型最小值-1的结果是：%d\n\n",b-1);
 
        unsigned c=0;
        while (c<c+1)
        {
                c++;
        }
        printf("无符号整型的最大值是：%u\n\n",c);
        printf("无符号整型最大值+1的结果是：%u\n\n",c+1);
}

#include<stdio.h>
int main()
{
        short a=0;
        while (a<short(a+1))
        {
                a++;
        }
        printf("有符号短整型的最大值是：%hd\n\n",a);
        printf("有符号短整型最大值+1的结果是：%hd\n\n",a+1);
 
        short b=0;
        while (b>short(b-1))
        {
                b--;
        }
        printf("有符号短整型的最小值是：%hd\n\n",b);
        printf("有符号短整型最小值-1的结果是：%hd\n\n",b-1);
}

#include<stdio.h>
int main()
{
        short a=0,b=1;
        while (a<b)
         { 
                a++;
                b++;
         }
        printf("有符号短整型的最大值：%hd\n\n",a);
        printf("有符号短整型的最大值+1的结果：%hd\n\n",a+1);
 
        short c=0,d=-1;
        while (d<c)
        {
                c++;
                d++;
        }
        printf("有符号短整型的最小值：%hd\n\n",c);
        printf("有符号短整型的最小值-1的结果：%hd\n\n",c-1);
}