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codeforce - DIY Wooden Ladder

jakaria_hossain Jul 23rd, 2019 62 Never
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     int t;
  6.     cin>>t;
  7.     while(t--)
  8.     {
  9.         int n;
  10.         cin>>n;
  11.         int ara[n+1];
  12.         for(int i=0;i<n;i++)
  13.         {
  14.             cin>>ara[i];
  15.         }
  16.         sort(ara,ara+n);
  17.         int ans=ara[n-2]-1;
  18.         ans=min(n-2,ans);
  19.         cout<<ans<<endl;
  20.     }
  21. }
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