【例69.3】字符串中的空格

状态	递交者	时间	内存	语言	代码	递交时间
AC	13901420420	918ms	16 MiB	C++17(O2)	617 Bytes	2026-1-3 11:50:23
AC	15952606862	920ms	16 MiB	C++17(O2)	602 Bytes	2026-1-3 12:06:59
AC	15861021069	938ms	16.2 MiB	C++17(O2)	603 Bytes	2026-1-2 15:22:36
AC	17712578847	960ms	16.2 MiB	C++17(O2)	520 Bytes	2025-10-7 17:53:06
AC	caochungui	963ms	16 MiB	C++17(O2)	759 Bytes	2026-1-3 11:42:36
AC	18796792921	965ms	16.1 MiB	C++17(O2)	611 Bytes	2026-1-10 19:39:16
AC	18082060086	972ms	16.3 MiB	C++17(O2)	557 Bytes	2026-1-2 15:20:08
AC	15252666790	973ms	16 MiB	C++17(O2)	611 Bytes	2026-1-3 11:50:14
AC	13641567801	993ms	16.3 MiB	C++17(O2)	591 Bytes	2026-1-10 9:51:57
AC	15052321516	1000ms	16.1 MiB	C++17(O2)	614 Bytes	2026-1-2 15:24:57
AC	15896015968	1002ms	16.3 MiB	C++17(O2)	565 Bytes	2025-10-7 17:50:40
AC	13951145877	1005ms	16 MiB	C++17(O2)	601 Bytes	2026-1-3 11:50:01
AC	15052385956	1016ms	16 MiB	C++17(O2)	611 Bytes	2026-1-3 11:54:35
AC	15896581923	1020ms	16 MiB	C++17(O2)	604 Bytes	2026-1-3 11:53:04
AC	15996006306	1038ms	16 MiB	C++17(O2)	652 Bytes	2026-1-3 11:50:21