数组-二维数组中的查找

function Find(target, array) {
  let lenX = 0;
  let lenY = array.length - 1;
  while (lenY >= 0 && lenX < array[0].length) {
    if (array[lenY][lenX] > target) {
      lenY--;
    } else if (array[lenY][lenX] < target) {
      lenX++;
    } else return true;
  }
  return false;
}