在这里插入代码片
#include <iostream>
using namespace std;
int main()
{
int
n; int j = 0;
cin
>> n;
char
*a;
a
= new char[n];
cin
>> a;
for
(int i = 0; i < n; i++)
{
if
(a[i] == a[i + 1])//相邻的作比较
{
j++;
}
}
cout
<< j << endl;
}