【入门】最后一次出现该数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	oyf	1ms	376 KiB		266 Bytes	2022-4-21 0:22:48
AC	fidel2021	1ms	376 KiB	C++11	273 Bytes	2023-1-15 22:17:10
AC	南充—zmz	1ms	500 KiB	C++11	374 Bytes	2023-1-15 22:24:43
AC	小熊	15ms	3.4 MiB	Python 3	166 Bytes	2023-4-26 14:13:24