题解 | #挑7#
挑7
https://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
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 n = 0;
for(let i = 1; i<= line; i++){
if(String(i).includes('7') || i%7 == 0) {n++}
}
console.log(n);
}
}()
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华为机试题
