View Compilation Error

0_0_28150069_18951.cpp: In function 'int main()':
0_0_28150069_18951.cpp:4:2: error: 'nbsp' was not declared in this scope
     int n;
  ^
0_0_28150069_18951.cpp:17:92: error: expected '}' before 'else'
                 else {
                                                                                            ^
0_0_28150069_18951.cpp:23:44: error: 'else' without a previous 'if'
         else
                                            ^
0_0_28150069_18951.cpp: At global scope:
0_0_28150069_18951.cpp:27:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_28150069_18951.cpp:28:1: error: expected declaration before '}' token
 }
 ^