import java.util.*; public class Solution { public int solve (String nums) { int n = nums.length(); if (n == 0) return 0; if (n == 1) { if (nums.charAt(0) == '0') return 0; else return 1; } char[] chars = nums.toCharArray(); // 初始化dp表 int [] dp = new int[n]; if (chars[n - 1] == '0') { dp[n - 1] = 0;...