isovr：贴海报的题，JavaScript粗糙的解法： function maxRoom(width, height){ // 输入有效性检验 if(!width.length || !height.length || width.length !== height.length){ return 0 } let res = 1; width.forEach(e => { if(e <= 0){ res = 0 } }) height.filter(e => { if(e <= 0){ res = 0 } }) if(!res){ return }