题解 | #挑7#
挑7
http://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
while(input = ~~readline()) {
  let count = 0;
  for(let i=7;i<=input;i++) {
    if(i % 7 === 0 || /7/.test(`${i}`)) count++
  }
  console.log(count);
}
挑7
http://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
while(input = ~~readline()) {
  let count = 0;
  for(let i=7;i<=input;i++) {
    if(i % 7 === 0 || /7/.test(`${i}`)) count++
  }
  console.log(count);
}
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