View Compilation Error

0_0_19737512_20840.cpp:8:17: error: empty character constant
   for(i=0;a[i]!='';i++){
                 ^
0_0_19737512_20840.cpp: In function 'int main()':
0_0_19737512_20840.cpp:29:1: error: expected '}' at end of input
 }
 ^