View Compilation Error

0_0_33629004_23277.cpp:25:24: error: empty character constant
     if(a[i]=='0') a[i]='';
                        ^
0_0_33629004_23277.cpp:30:20: error: empty character constant
    a[11]='.';a[12]='';l1++;
                    ^
0_0_33629004_23277.cpp:34:24: error: empty character constant
     if(b[i]=='0') b[i]='';
                        ^
0_0_33629004_23277.cpp:39:20: error: empty character constant
    b[12]='.';a[13]='';l2++;
                    ^