心灵执笔

``` javascript var obj={}, remnants={}, o, i=0; for(o in food){ i=material[o]; break; } for(o in food){ obj[o]=parseInt(material[o]/food[o]); i=i>obj[o]?obj[o]:i; } for(o in food){ remnants[o]=material[o]-food[o]*i; } return {sum:i,remnants:remnants}; ```