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Copy pathPlusOne.java
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41 lines (36 loc) · 1 KB
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/*
* File Name:PlusOne is created on 2020/8/13 9:42 下午 by lite
*
* Copyright (c) 2020, xiaoyujiaoyu technology All Rights Reserved.
*
*/
import java.util.Arrays;
/**
* @author lite
* @Description:
* @date: 2020/8/13 9:42 下午
* @since JDK 1.8
*/
public class PlusOne {
public static void main(String[] args) {
PlusOne test = new PlusOne();
int[] test1 = {1, 2, 3};
int[] test2 = {1, 2, 9};
int[] test3 = {9, 9, 9};
System.out.println(Arrays.toString(test.plusOne(test1)));
System.out.println(Arrays.toString(test.plusOne(test2)));
System.out.println(Arrays.toString(test.plusOne(test3)));
}
public int[] plusOne(int[] digits) {
for (int i = digits.length - 1; i >= 0; i--) {
digits[i]++;
digits[i] = digits[i] % 10;
if (0 != digits[i]) {
return digits;
}
}
digits = new int[digits.length + 1];
digits[0] = 1;
return digits;
}
}