short用法不太懂

Question

#include <stdio.h>int main(){                     short int d, m, c, n;    scanf("a = %3hd%4hd, b = %3hd%4hd", &d, &m, &c, &n);    printf("a + b = %d", (d + c) * 10000 + m + n);    return 0;}其中的%3hd是什么意思是啊

Answer 1

输出a=，然后后面的%3hd是短整型，宽带为3个字符，接着%4hd为短整型，宽带4个字符