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company/google/PlusOne.java
34 строки
919 B
Kevin Naughton Jr
add PlusOne.java
29 май 2018, 20:20
29 май 2018, 20:20
c41d2e8
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//Given a non-empty array of digits representing a non-negative integer, plus one to the integer. // //The digits are stored such that the most significant digit is at the head of the list, and each element in the array contain a single digit. // //You may assume the integer does not contain any leading zero, except the number 0 itself. // //Example 1: // //Input: [1,2,3] //Output: [1,2,4] //Explanation: The array represents the integer 123. //Example 2: // //Input: [4,3,2,1] //Output: [4,3,2,2] //Explanation: The array represents the integer 4321. class Solution { public int[] plusOne(int[] digits) { for(int i = digits.length - 1; i >= 0; i--) { if(digits[i] < 9) { digits[i]++; return digits; } digits[i] = 0; } int[] result = new int[digits.length + 1]; result[0] = 1; return result; } }