int t; // t = 1; cin >>t; for(int p = 1; p<=t; p++){ int n; cin >> n; int a[n]; for(int i = 0; i<n; i++){ cin >> a[i]; } int count = 0; int ans = 0; for(int i = 0; i<n-1; i++){ if(a[i] >a[i+1]){ count++; } else if(a[i] < a[i+1]){ count--; } if(count == 4 || count == -4){ ans++; count = 0; } } cout << "Case #" << p << ": " << ans << endl; }