TopCoder

User's AC Ratio

100.0% (3/3)

Submission's AC Ratio

57.1% (4/7)

Tags

Description

Input Format

Output Format

Sample Input 1

2
OOO 2
XOX 2

Sample Output 1

0
2

Sample Input 2

1
OXXX 4

Sample Output 2

-1

Sample Input 3

1
OXOXOXOO 3

Sample Output 3

3

Hints

Problem Source

YTP 2020 高中組程式挑戰營 p6

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~19 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
17 1000 262144 65536 2
18 1000 262144 65536 2
19 1000 262144 65536 2