View Compilation Error

0_0_36008564_27090.cpp: In function 'int main()':
0_0_36008564_27090.cpp:5:2: error: 'nbsp' was not declared in this scope
     int t;
  ^
0_0_36008564_27090.cpp:20:73: error: 'else' without a previous 'if'
             else if(c!=d)
                                                                         ^
0_0_36008564_27090.cpp:29:49: error: 'else' without a previous 'if'
         else if(a>b)
                                                 ^
0_0_36008564_27090.cpp:33:49: error: 'else' without a previous 'if'
         else
                                                 ^