题解 | #统计每个月兔子的总数#
整型数组合并
http://www.nowcoder.com/practice/c4f11ea2c886429faf91decfaf6a310b
var n1=readline() var str1=readline() var n2=readline() var str2=readline() var arr=str1.split(' ').concat(str2.split(' '))
console.log([...new Set(arr)].sort((a,b)=>{return a-b}).join(''))
