【例37.1】分数加减表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	jihaoyuan	24ms	556 KiB	C++98	194 Bytes	2025-2-7 10:57:55
AC	nianyanimen	25ms	764 KiB	C++98	213 Bytes	2024-7-31 11:09:54
AC	wangyonglin	28ms	536 KiB	C++98	223 Bytes	2024-7-31 11:13:15
AC	lihaorui	29ms	764 KiB	C++98	179 Bytes	2025-2-7 11:06:04