题解 | #整数中1出现的次数(从1到n整数中1出现的次数)
整数中1出现的次数(从1到n整数中1出现的次数)
https://www.nowcoder.com/practice/bd7f978302044eee894445e244c7eee6
function NumberOf1Between1AndN_Solution(n) { // write code here let count = 0 for (let i = 1; i <= n; i++) { const str = String(i) for (let j = 0; j < str.length; j ++) { if (str[j] === '1') count++ } } return count } module.exports = { NumberOf1Between1AndN_Solution : NumberOf1Between1AndN_Solution };