勿抄

#include<algorithm> 
#include<bitset>
#include<cctype>  
#include<cerrno>
#include<cfloat> 
#include<ciso646>
防抄码9999999990    
#include<climits>
#include<clocale>
#include<cmath> 
#include<complex>
#include<csignal>  
#include<csetjmp>  
#include<cstdarg>  
#include<cstddef>  
#include<cstdio>  
#include<cstdlib>  
#include<cstring> 
#include<ctime>
#include<cwchar>  
#include<cwctype>  
#include<deque>  
#include<exception>  
#include<fstream> 
#include<functional>  
#include<limits>  
#include<list>  
#include<locale> 
#include<map>  
#include<memory>  
#include<new> 
#include<numeric>  
#include<iomanip>  
#include<ios>  
#include<iosfwd>  
#include<iostream>  
#include<istream> 
#include<iterator> 
#include<ostream>  
#include<queue>  
#include<set>  
#include<sstream>  
#include<stack>  
#include<stdexcept>  
#include<streambuf>  
#include<string>
防抄码9999999990  
#include<typeinfo>  
#include<utility>  
#include<valarray>  
#include<vector>  //头文件(49行)
using namespace std;防抄码9999999990  const int N=1e4+3,inf=2147483647;int n;int a[N];int x[N];int main(){scanf("%d",&n);for(int i=1;i<=n;i++)scanf("%d",&a[i]);for(int i=1;i<=n;i++){for(int j=1;j<=n;j++){x[j]+=abs(a[i]-a[j]);}}int minn=inf;for(int i=1;i<=n;i++)防抄码9999999990  minn=x[i]<minn?x[i]:minn;printf("%d\n",minn);return 0;}

用 <bits/stdc++.h>