Explore how to compute the sum of two integers without using addition or subtraction. This lesson helps you understand problem constraints and guides you to implement an optimal O(1) time and space solution, enhancing your algorithmic thinking and coding skills.
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 compute the sum of two integers without using addition or subtraction. This lesson helps you understand problem constraints and guides you to implement an optimal O(1) time and space solution, enhancing your algorithmic thinking and coding skills.
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.