/in/foo.cc: In member function 'int SeqList::FindiSecondMax(int)':
/in/foo.cc:54:11: error: 'temp' was not declared in this scope
    b[0] = temp;
           ^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:88:5: error: redefinition of 'int main()'
 int main()
     ^~~~
/in/foo.cc:75:5: note: 'int main()' previously defined here
 int main()
     ^~~~