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  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<cstdio>
  4. #include<map>
  5. #include<algorithm>
  6. #include<cstring>
  7. #include<cmath>
  8. #include<vector>
  9. #define f(i,a,n) for(int i=a;i<n;i++)
  10. #define ll long long
  11. #define si(a) scanf("%d",&a)
  12. #define sl(a) scanf("%lld",&a)
  13. #define ss(s) scanf("%s",s)
  14. using namespace std;
  15. int main()
  16. {
  17. int t;
  18. int n;
  19. si(t);
  20. while(t--)
  21. {
  22.           si(n);
  23.           int a[n];
  24.           int pos=-1;
  25.           ll sum=0;
  26.           int min=10000000;
  27.           f(i,0,n)
  28.           {
  29.           si(a[i]);
  30.           if(min>a[i])
  31.           {
  32.           min=a[i];
  33.           pos=i;
  34.           }
  35.           }
  36.           f(i,0,n)
  37.           {
  38.                     if(i!=pos)
  39.                     {
  40.                   sum+=a[i]*min;
  41.                   }
  42.                   }
  43.                   printf("%lld\n",sum);
  44.           }
  45.       //  system("Pause");
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 3344KB
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stdin
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1
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1000000 1000000 1000000
stdout
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-1454759936
https://ideone.com/B7AhUM
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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