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- #include <bits/stdc++.h>
- using namespace std;
- #define ll long long
- #define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
- int main()
- {
- ios_base::sync_with_stdio(0);
- cin.tie(0);cout.tie(0);
- test
- {
- ll a[100000],c,d,e,f,i,j=0,k=10000000,l=0;
- cin>>c;
- for(i=0;i<c;i++)
- {
- cin>>a[i];
- if(a[i]==1)
- {
- j=max(i,j);
- k=min(k,i);
- }
- }
- for(i=k;i<=j;i++)
- {
- if(a[i]==0)
- {
- l++;
- }
- }
- cout<<l<<endl;
- }
- return 0;
- }
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