View Compilation Error

0_0_19886672_28247.cpp: In function 'int main()':
0_0_19886672_28247.cpp:6:2: error: 'nbsp' was not declared in this scope
  int i,j,k,lens,nlen,flag;
  ^
0_0_19886672_28247.cpp:14:13: error: 'else' without a previous 'if'
   else
             ^