题解 | #记负均正#
记负均正
http://www.nowcoder.com/practice/6abde6ffcc354ea1a8333836bd6876b8
let line = readline();
let arr = readline().split(' ');
let m = 0, n = 0, sum = 0;
for(let i = 0; i < arr.length; i++) {
if(arr[i] < 0) m++;
if(arr[i] > 0) {
sum += Number(arr[i]);
n++;
}
}
let result = (0).toFixed(1);
if(n > 0) {
result = (sum / n).toFixed(1);
}
console.log(m, result);
