题解 | #记负均正#
记负均正
http://www.nowcoder.com/practice/6abde6ffcc354ea1a8333836bd6876b8
let str;
while(str = parseInt(readline())){
let lessZefo = 0,aver=0;
let num = readline();
let arr = num.split(' ')
for(let v of arr){
if(parseInt(v) < 0){
lessZefo++
}
}
let newArr = arr.filter((v)=>{
return v>0;
})
let sum = newArr.reduce((pre,cur)=>{
return pre+cur*1;
},0)
console.log(lessZefo,(sum/newArr.length).toFixed(1) )
} 