View Compilation Error

0_0_23173589_1659.cpp: In function 'int main()':
0_0_23173589_1659.cpp:5:2: error: 'nbsp' was not declared in this scope
     char ch[3],temp;
  ^
0_0_23173589_1659.cpp:23:44: error: 'else' without a previous 'if'
         else printf("%c\n",ch[i]);
                                            ^