Explore how to solve the problem of summing two integers without using the addition or subtraction operators. Understand the problem constraints and implement an optimal O(1) time and space solution using bitwise operations. This lesson helps build your skills in efficient algorithm design and deepens your grasp of coding interview patterns.
Statement
Given two integers, a and b, return their sum without using the addition or subtraction operators.
Constraints:
−1000≤a, b≤1000
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Sum of Two Integers
1.
What is the correct output if the following values are given as input?
a = 5
b = 10
A.
15
B.
-5
C.
5
D.
50
1 / 3
Try it yourself
Implement your solution in the following coding playground.
The optimal solution to this problem runs in O(1) time and takes O(1) space.
Explore how to solve the problem of summing two integers without using the addition or subtraction operators. Understand the problem constraints and implement an optimal O(1) time and space solution using bitwise operations. This lesson helps build your skills in efficient algorithm design and deepens your grasp of coding interview patterns.
Statement
Given two integers, a and b, return their sum without using the addition or subtraction operators.
Constraints:
−1000≤a, b≤1000
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Sum of Two Integers
1.
What is the correct output if the following values are given as input?
a = 5
b = 10
A.
15
B.
-5
C.
5
D.
50
1 / 3
Try it yourself
Implement your solution in the following coding playground.
The optimal solution to this problem runs in O(1) time and takes O(1) space.