add_binary.md

✅ Dart | Add Binary | Simple and Fast

Solution - 1

classSolution { // Runtime: 622 ms, faster than 7.69% of Dart online submissions for Add Binary.// Memory Usage: 146.4 MB, less than 46.15% of Dart online submissions for Add Binary.StringaddBinary(String a, String b) { /* First we have to make sure the length of the both string is not same On second case we have to make sure that the length of the first string is larger than the second string than we will populate the both strings values and join them */if (a.length != b.length) { if (a.length > b.length) { b =List.filled(a.length - b.length, (0)).join('') + b; } else { a =List.filled(b.length - a.length, (0)).join('') + a; } } String sum =''; String rem ='0'; // looping through the index value if it's equal and larger we will decrementfor (int index = a.length -1; index >=0; index--) { // conditions of all cases and assignments of valuesif (rem =='0') { if (a[index] =='1'&& b[index] =='1') { sum ='0'+ sum; rem ='1'; } elseif (a[index] =='0'&& b[index] =='0') sum ='0'+ sum; else sum ='1'+ sum; } else { if (a[index] =='1'&& b[index] =='1') { sum ='1'+ sum; rem ='1'; } elseif (a[index] =='0'&& b[index] =='0') { sum ='1'+ sum; rem ='0'; } else { sum ='0'+ sum; rem ='1'; } } } return rem =='1'?'1'+ sum : sum; } }