Sum of two large numbers
Medium Accuracy: 37.01% Submissions: 8034 Points: 4

Given two strings denoting non-negative numbers X and Y. Calculate the sum of X and Y.


Example 1:

Input:
X = "25", Y = "23"
Output:
48
Explanation:
The sum of 25 and 23 is 48.

Example 2:

Input:
X = "2500", Y = "23"
Output:
2523
Explanation:
The sum of 2500 and 23 is 2523.


Your Task:
Your task is to complete the function findSum() which takes two strings as inputs and returns the string without leading zeros. You do not need to take any input or print anything.


Expected Time Complexity: O(|X| + |Y|)
Expected Auxiliary Space: O(1)


Constraints:
1 <= |X|, |Y| <= 105

We are replacing the old Disqus forum with the new Discussions section given below.
Click here to view old Disqus comments.


to report an issue on this page.

Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

Yes

All Submissions

My Submissions:

Login to access your submissions.

Sum of two large numbers

Output Window