题解 | #输入n个整数，输出其中最小的k个#

let input;
while (input = readline()) {
    let n = Number(input.split(' ')[0]);
    let k = Number(input.split(' ')[1]);
    let arr = readline().trim().split(' ').map(Number);
//     排序
    arr.sort((a, b) => {
        return a - b;
    });
    const res = arr.splice(0 , k).join(' ');
    print(res);
}