HelloWorld信息学奥赛题库

少儿编程

统计字符个数 Statistics

Accepted Submissions

fastest shortest

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time
#208857	#13324. 统计字符个数	std	100	13ms	3492kb	C++	751b	2026-06-03 14:19:30 打卡

Score distribution

Prefix sum

Suffix sum