View Compilation Error

0_0_26331671_8975.cpp: In function 'int main()':
0_0_26331671_8975.cpp:63:10: error: conflicting declaration 'double tmp'
   double tmp=a-b+c;
          ^
0_0_26331671_8975.cpp:15:8: note: previous declaration as 'char tmp [1005]'
   char tmp[maxn];
        ^
0_0_26331671_8975.cpp:64:6: error: invalid operands of types 'char [1005]' and 'll {aka long long int}' to binary 'operator/'
   tmp/=d;
      ^
0_0_26331671_8975.cpp:64:6: error:   in evaluation of 'operator/=(char [1005], ll {aka long long int})'