제출 #1627

#제출 시각아이디문제언어결과실행 시간메모리
1627gs13068지우개 (GA4_eraser)C++98
13 / 100
1000 ms1276 KiB
#include<cstdio>

int a[100000];

int main()
{
  long long ans=0;
  int i,j,k,n;
  scanf("%d",&n);
  for(i=0;i<n;i++)scanf("%d",&a[i]);
  for(i=0;i<n;i++)
  {
    for(j=0;j<n;j++)
    {
      if(a[i]<a[j])
      {
        for(k=0;k<n;k++)
          if(a[j]<a[k])
          {
            ans+=a[i]*a[j]*a[k];
            ans%=1000000007;
          }
      }
    }
  }
  printf("%lld",ans);
}
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