计算可用号码数量

计算可用号码数量

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 1process.stdin.resume();
 2process.stdin.setEncoding('utf-8');
 3let input = '';
 4
 5process.stdin.on('data', (data) => {
 6    input += data;
 7});
 8
 9process.stdin.on('end', () => {
10    const inputArray = input.trim().split(' ');
11    const start = parseInt(inputArray[0], 10);
12    const end = parseInt(inputArray[1], 10);
13
14    function containsForbidden(number) {
15        const strNumber = number.toString();
16        return strNumber.includes('4') || strNumber.includes('18');
17    }
18
19    function countAvailableNumbers(start, end) {
20        let count = 0;
21        for (let i = start; i <= end; i++) {
22            if (!containsForbidden(i)) {
23                count++;
24            }
25        }
26        return count;
27    }
28
29    const availableNumbers = countAvailableNumbers(start, end);
30    console.log(availableNumbers);
31    process.exit();
32});

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