carloscn / carloscn/structstudy

leetcode415:字符串相加(add-strings)

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Level-easy 一般问题 字符串 数学
Dominant language
C
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Description

### 问题描述

给定两个字符串形式的非负整数 num1 和num2 ,计算它们的和并同样以字符串形式返回。

你不能使用任何內建的用于处理大整数的库(比如 BigInteger), 也不能直接将输入的字符串转换为整数形式。

示例 1:
输入:num1 = "11", num2 = "123"
输出:"134"

示例 2:
输入:num1 = "456", num2 = "77"
输出:"533"

示例 3:
输入:num1 = "0", num2 = "0"
输出:"0"

提示:
1 <= num1.length, num2.length <= 104
num1 和num2 都只包含数字 0-9
num1 和num2 都不包含任何前导零

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/add-strings

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