#16Easy#1 in Visa's list· asked at 7 companies
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What we know
Example 1
Input: num1 = "11", num2 = "123" Output: "134"
Example 2
Input: num1 = "456", num2 = "77" Output: "533"
Example 3
Input: num1 = "0", num2 = "0" Output: "0"
Constraints
- •
1 <= num1.length, num2.length <= 10^4 - •
Both strings contain only digits and have no leading zeros except for the number 0.