题解 | #查找组成一个偶数最接近的两个素数#

while(line = readline()) {
    let num = parseInt(line);
    let diff = 9999999999;
    for(let start=1; start <= num/2; start++) {
        for (let end=Math.floor(num/2); end < num; end++) {
            if (start + end == num && isZhi(end) && isZhi(start)) {
                if (end - start < diff  ) {
                    diff = end - start;
                }
            }
        }
    }

    let x = (diff + num) / 2;
    let y = (num - diff) / 2;
    print(y+'\n'+x)

    function isZhi(count) {
        let status = true;
        for (let i=2; i<=count/2; i++) {
            if (count%i == 0) {
                status = false;
            }
        }
        return status;
    } 
}