#D2311. Delete Files
Delete Files
Delete Files
Example
Input
3 y 7 y 6 n 5
Output
1
inputFormat
Input
3 y 7 y 6 n 5
outputFormat
Output
1
样例
3
y 7
y 6
n 5
1
Example
Input
3 y 7 y 6 n 5
Output
1
Input
3 y 7 y 6 n 5
Output
1
3
y 7
y 6
n 5
1
By signing up a OpenJudge universal account, you can submit code and join discussions in all online judging services provided by us.