cat-mouse.js

cat-mouse.js

function catMouse(map, maxMoves){
	const pos = map.split('\n').reduce((acc, row, idx) => {
		const catIndex = row.indexOf('C');
		const mouseIndex = row.indexOf('m');

		if (catIndex > -1) {
			acc.cat = [idx, catIndex];
		}
		if (mouseIndex > -1) {
			acc.mouse = [idx, mouseIndex];
		}

		return acc;
	}, {cat: [], mouse: []});

	if (!pos.cat.length || !pos.mouse.length) {
		return 'boring without two animals';
	}

	const distance = Math.abs(pos.cat[0] - pos.mouse[0]) + Math.abs(pos.cat[1] - pos.mouse[1]);

	return distance <= maxMoves ? 'Caught!' : 'Escaped!';
}

// tests

let map=
`..C......
.........
....m....`
console.log(assertSimilar(catMouse(map,5),'Caught!'))

map =
`.C.......
.........
......m..`
console.log(assertSimilar(catMouse(map,5),'Escaped!'))


map =
`..C......
.........
.........`
console.log(assertSimilar(catMouse(map,5),'boring without two animals'))

function assertSimilar(a,b) {
	return a === b ? 'Passed' : 'Failed';
}