找出现次数最多的数字（0~9）

状态	递交者	时间	内存	语言	代码	递交时间
AC	UID 297	9ms	512 KiB	C++14	317 Bytes	2026-8-17 16:04:36
AC	UID 128	11ms	532 KiB	C++14	278 Bytes	2026-8-17 16:36:07
AC	万秉远	11ms	520 KiB	C++14	328 Bytes	2026-8-17 16:09:28
AC	UID 296	11ms	764 KiB	C++14	346 Bytes	2026-8-17 16:06:57
AC	UID 222	11ms	552 KiB	C++14	484 Bytes	2026-7-20 9:34:04
AC	THS薛丞皓	11ms	540 KiB	C++14	348 Bytes	2026-8-17 15:33:53
AC	赵子淏	12ms	548 KiB	C++14	321 Bytes	2026-8-17 16:00:41
AC	许铖晟	13ms	656 KiB	C++14	321 Bytes	2026-4-8 19:34:15
AC	UID 73	16ms	544 KiB	C++14	580 Bytes	2026-4-12 9:14:50
AC	UID 33	17ms	516 KiB	C++14	272 Bytes	2026-4-12 9:15:21