题解 | #整数中1出现的次数（从1到n整数中1出现的次数）#

    public int NumberOf1Between1AndN_Solution(int n) {
        //暴力破解
        int number = 0;
        for(int i = 1 ;i<=n ;i++){
            int temp = i;
            while(temp > 0){
                if(temp % 10 == 1){
                    number ++;
                }
                temp /= 10;
            }
            
        }
        return number;
    }
}