【例】stringstream的简单用法

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	王章峄	39ms	6 MiB	C++14(O2)	307 Bytes	2024-3-16 15:34:35
AC	程裕澍	53ms	6.3 MiB	C++14(O2)	342 Bytes	2025-3-15 13:44:14
AC	坤坤	63ms	6.1 MiB	C++14(O2)	358 Bytes	2024-10-5 16:27:50
AC	鸟嘴医生	76ms	6 MiB	C++14(O2)	340 Bytes	2024-9-5 14:01:42