(digits []int)
| 1 | package plus_one_66 |
| 2 | |
| 3 | func plusOne(digits []int) []int { |
| 4 | carry := 1 |
| 5 | for i := len(digits) - 1; i >= 0; i-- { |
| 6 | incr := digits[i] + carry |
| 7 | |
| 8 | if incr == 10 { |
| 9 | digits[i] = 0 |
| 10 | carry = 1 |
| 11 | } else { |
| 12 | digits[i] = incr |
| 13 | carry = 0 |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | if carry == 1 { |
| 18 | return append([]int{1}, digits...) |
| 19 | } |
| 20 | |
| 21 | return digits |
| 22 | } |