UVA 10127 - Ones 题目链接 题意：求出多少个1组成的数字能整除n 思路：一位位去取模，记录答案即可 代码： #include <stdio.h>#include <string.h>int n;int main() {while (~scanf("%d", &n)) {int ans = 1;int now = 1;while (now) {now = (now *