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- #include <iostream>
- using namespace std;
- int main()
- {
- int a[100];
- int n;
- int num=1;
- cin>>n;
- for (int i=0;i<n;i++)
- {
- cin>>a[i];
- }
- for(int i=1;i<n;i++)
- {
- if (a[i]!=a[i-1]) num++;
- }
- cout<<num;
- return 0;
- }
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