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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int n,a[1000000];
  4. void nhap()
  5. {
  6.     cin>>n;
  7.     for(int i=1;i<=n;i++)
  8.      cin>>a[i];
  9. }
  10. void giai()
  11. {
  12.     long long mmax=0;
  13.     for(int i=1;i<=n;i++)
  14.     {
  15.         for(int j=1;j<=n;j++)
  16.         {
  17.         	if(i==j) mmax=mmax;
  18.         	else
  19.         		mmax=a[i]*a[j];
  20.         }
  21.         }
  22.     cout<<mmax;
  23. }
  24. int main()
  25. {
  26.     nhap();
  27.     giai();
  28. }
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin 
4
-1 -2 -3 4
stdout 
-12
https://ideone.com/YeQ7KR
language:
C++ (gcc 8.3)
created:
15 days ago
visibility:
public

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