beginner
10 min read
Sqrt(x)
The fastest way to solve this problem is to stop searching for a square root and search for the last integer that is still feasible.
View solutionintermediate
Binary Search on the Answer
Binary-search a numeric answer space when feasibility changes monotonically.
Problems
Problems in Binary Search on the Answer
Practice problems that share this primary solution pattern and compare the clues that reveal it.