johntran

https://gist.github.com/johntran - > bigO2018Nov20.md

Algorithm & System Design 2018 11 20

Problem Set

Search a 2D Matrix

johntran

https://gist.github.com/johntran - > big2019Feb19.md

Algorithms 2019 02 19

Problem Set

SumZero

Given an array of positive and negative numbers, find if there is a subarray (of size at-least one) with 0 sum and return the subarray.

johntran

export default function useToggle(initial = false) {
  const [open, setToggle] = useState(initial);
  return {
    open,
    set: setToggle,
    setOpen: () => setToggle(true),
    setClose: () => setToggle(false),
    reset: () => setToggle(initial),
    toggle: () => setToggle(prev => !prev),
  };

johntran

export default function foo() {
  return bar();
}

function bar() {
  return baz();
}

function baz() {
  return 42;