题解 | #挑7#
挑7
https://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
const readline = require("readline");
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
rl.on("line", function (line) {
const num =parseInt(line);
let count = 0
for(let i = 1;i<=num;i++){
if(i.toString().indexOf('7')!=-1){
count++
}else{
if(i%7==0){
count++
}
}
}
console.log(count)
});
米哈游一面172人在聊
