View Compilation Error

0_0_23033808_24642.cpp: In function 'int main()':
0_0_23033808_24642.cpp:153:6: error: 'area' was not declared in this scope
   if(area<=0) cout<<"imp"<<endl;
      ^
0_0_23033808_24642.cpp: At global scope:
0_0_23033808_24642.cpp:156:2: error: expected unqualified-id before 'return'
  return 0;
  ^
0_0_23033808_24642.cpp:157:1: error: expected declaration before '}' token
 }
 ^