The Grinch has been up to his tricks in the North Pole and has planted explosive coal bombs 💣 in the elves' toy factory. He wants all the toys to be rendered useless, and that's why he has left a grid where some cells have explosive coal (true) and others are empty (false).
The elves need your help to map the dangerous areas. Each empty cell should display a number indicating how many explosive coal bombs there are in the adjacent positions, including diagonals.
Note
Want a hint? You've surely played the Minesweeper game before... 😉
detectBombs([
[true, false, false],
[false, true, false],
[false, false, false],
])
/**
* Expected result:
*
* [
* [1, 2, 1],
* [2, 1, 1],
* [1, 1, 1]
* ]
*/
detectBombs([
[true, false],
[false, false],
])
/**
* Expected result:
*
* [
* [0, 1],
* [1, 1]
* ]
*/
detectBombs([
[true, true],
[false, false],
[true, true],
])
/**
* Expected result:
*
* [
* [1, 1],
* [4, 4],
* [1, 1]
* ]
*/