NTUCPC Speed Run! #1 比賽已結束，感謝大家的參與！題目連結
IOICamp 2025 PreExam 進行中！ IOICamp 官網、PreExam 連結
程式解題社網站 程式解題社網站上線了！

Submit

Status

Discussion / Solution

Ranklist

Back to Problems List

TopCoder

temmie

User's AC Ratio

87.5% (7/8)

Submission's AC Ratio

73.7% (14/19)

Tags

ytp ytp-senior ytp-2020

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

5
ABCDE

Sample Output 1

120

Sample Input 2

4
AAAB

Sample Output 2

0

Sample Input 3

7
ABCCCDE

Sample Output 3

240

Hints

Problem Source

YTP 2020 高中組程式挑戰營 p4

Subtasks

No.	Testdata Range	Constraints	Score
1	0~2	範例測資	0
2	0~16	無額外限制	10

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	1000	262144	65536	1 2
1	1000	262144	65536	1 2
2	1000	262144	65536	1 2
3	1000	262144	65536	2
4	1000	262144	65536	2
5	1000	262144	65536	2
6	1000	262144	65536	2
7	1000	262144	65536	2
8	1000	262144	65536	2
9	1000	262144	65536	2
10	1000	262144	65536	2
11	1000	262144	65536	2
12	1000	262144	65536	2
13	1000	262144	65536	2
14	1000	262144	65536	2
15	1000	262144	65536	2
16	1000	262144	65536	2

Submit