Canadian Computing Competition: 2018 Stage 1, Junior #2
You supervise a small parking lot which has
Yesterday, you recorded which parking spaces were occupied by cars and which were empty.
Today, you recorded the same information.
How many of the parking spaces were occupied both yesterday and today?
Input Specification
The first line of input contains the integer C
to indicate an occupied space or .
to indicate it was
an empty parking space.
Output Specification
Output the number of parking spaces which were occupied yesterday and today.
Sample Input 1
5
CC..C
.CC..
Sample Output 1
1
Explanation for Sample Output 1
Only the second parking space from the left was occupied yesterday and today.
Sample Input 2
7
CCCCCCC
C.C.C.C
Sample Output 2
4
Explanation for Sample Output 2
The first, third, fifth, and seventh parking spaces were occupied yesterday and today.
Comments