#include <iostream>

 #include <cstdio>

 using namespace std;

 int a[], n, t;

 int main()

 {

     int temp;

     int j = ;

     cin >> t;

     while (t--)

     {

         scanf("%d", &n);

         int cnt = ;

         for (int i = ; i < n; i++)

         {

             scanf("%d", &a[i]);

         }

         int minn = n + ;

         for (int i = n - ; i >= ; i--)

         {

             if (a[i] < minn)

                 minn = a[i];

             else

                 cnt++;

         }

         printf("Case #%d: %d\n", ++j, cnt);

     }

     return ;

 }