using namespace std; int main(){ int n,sum=0; cin>>n; int b[n]; for(int i=0;i<=n-1;i++){ cin>>b[i]; if(i>=1&&b[i]!=b[i-1]) sum++; } cout<<sum; }
exit code: 0, checker exit code: 0
exit code: 0, checker exit code: 0
exit code: 0, checker exit code: 0
exit code: 0, checker exit code: 0
exit code: 0, checker exit code: 0
exit code: 0, checker exit code: 0