func_code_string: #include<bits/stdc++.h>   using namespace std;   #define lp(i,a,n) for(i=a;i<n;i++)   #define ld(i,a,n) for(i=n-1;i>=a;i--)   #define ll long long   #define dd double   #define mod 10000007   #define inf 1e18   #define inp(t) cin>>t; while(t--)   int main(){    int t;    ios::sync_with_stdio(false);    inp(t){     ll n,i,j,k;     cin>>n;     int arr[n];     lp(i,0,n)     cin>>arr[i];     int ans;     int sm=accumulate(arr,arr+n,0);     int chk=1;     lp(i,0,n){      k=n-i;      int val;      if(sm%k==0)      val=sm/k;      else      continue;      int smm=0;      lp(j,0,n){       smm+=arr[j];       if(smm<val)       continue;       else if(smm==val&&j!=n-1){        smm=0;        continue;       }       else if(smm==val&&j==n-1){        chk=0;        ans=i;        break;       }       else{        smm=0;        break;       }                    }      if(chk==0)       break;     }     cout<<ans<<endl;          }          }    