Introduction - If you have any usage issues, please Google them yourself
# include <iostream> using namespace std int s [100005] int main () (int i, j, k, sum, n while (scanf ( " d" , & n)! = EOF) (for (i = 0 i <n i++)
scanf(" d",&s[i])
sort(s,s+n)
for(i=sum=0 i<n i++)
{
sum+= s[i]* (n- i)
}
printf(" d\n",sum)
}
return 0
}