JSFiddle - React, Tailwind, and code Playground

by Eugen Sunic

JavaScript

function MaximalRectangle(strArr) {
  let accArr = [0, 0, 0, 0, 0, 0];
  const twoDimensionalArr = [];

  // create 2D array
  for (i = 0; i < strArr.length; i++) {
    let tempArr = [];
    for (j = 0; j < strArr[i].length; j++) {
      tempArr.push(strArr[i][j]);
    }
    twoDimensionalArr.push(tempArr);

  }

  for (i = 0; i < twoDimensionalArr.length; i++) {
    for (j = 0; j < twoDimensionalArr[i].length; j++) {
      accArr[j] = +twoDimensionalArr[i][j] === 0 ? 0 : +accArr[j] + 1
       if (+twoDimensionalArr[i][j] === 0) {
         accArr[j] = 0;
       } else {
         accArr[j] = +accArr[j] + 1
       } 

    }

  }

  accArr = accArr.filter(x => !!x)
  minValue = Math.min(...accArr);
  let maxArea = 0;
  accArr.forEach(_ => {
    maxArea += minValue;
  })
  return maxArea;





}

MaximalRectangle(['100111', '101101', '011111', '001111']);