题解 | #密码验证合格程序#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void (async function () {
    // Write your code here
    while ((line = await readline())) {
        let validLength = checkLength(line);
        let validType = checkType(line);
        let validDup = checkDup(line);
        if (validLength && validType && validDup) {
            console.log("OK");
        } else {
            console.log("NG");
        }

        function checkLength(line){
            //长度校验
            return line.length > 8;
        }

        function checkType(line) {
            //包含四种中的三种
            let occurance = 0;
            if (/[a-z]/.test(line)) {
                occurance++;
            }
            if (/[A-Z]/.test(line)) {
                occurance++;
            }
            if (/[0-9]/.test(line)) {
                occurance++;
            }
            if (/[^0-9a-zA-Z]/.test(line)) {
                occurance++;
            }
            return occurance >= 3;
        }

        function checkDup(line) {
            //不含子串重复
            let pieces = [];
            for (let i = 0; i < line.length - 2; i++) {
                let subStr = line.slice(i, i + 3);
                if (pieces.includes(subStr)) {
                    return false;
                } else {
                    pieces.push(subStr);
                }
            }
            return true;
        }
    }
})();