C++ please

You a eguen an anay of ete rs and mat compute the maa dife e ce between any item and any lower ndesed smaler nem for alte possble panie for agi en anay'd fod the man um value ofa a toalwhere Osi 10 / 11 Complete the maxDifference' function below. 12 13 The function is expected to return an INTEGER. 14 The function accepts INTEGER ARRAY a as parameter. 15 / 16 17 int maxDifference(vectorkint> a) 18 t 19 I type here 28 21 23 int main() 24 25 ofstream fout (getenv("ONTPUT PATH")): 26 27 28 29 30 string a_count_temp; getline(cin, a_count_temp); int a_count stoi(1trim(rtrim(a_count_temp))); vectorcint> a(a_count); for (int = e; a(a_count); for (int -0; (isspace))) 57 58 i 59 60 61 return s 63 string rtrim( const string str) ( string s(str); 65 s.erase( 67 68 find_ if (s.rbegin(), s.rend), not1(ptr_funcint, int>(isspace))).base s.end() 71 72 73 return s