using System; using System.Collections.Generic; class Solution { /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param nums int整型一维数组 * @return int整型 */ public int maxProduct (List<int> nums) { // write code here if (nums == null || nums.Count == 0) return 0; List<int> lsF = new List<int>() { nums[0] }; List<int> ls = new List<int>() { }; int nMaxMult = lsF[0]; for (int i = 1; i < nums.Count; i++) { ls.Clear(); ls.Add(nums[i]); nMaxMult = nMaxMult > nums[i] ? nMaxMult : nums[i]; for (int j = 0; j < lsF.Count; j++) { int nVal = nums[i] * lsF[j]; if (ls.IndexOf(nVal) < 0) ls.Add(nVal); nMaxMult = nMaxMult > nVal ? nMaxMult : nVal; } lsF.Clear(); lsF.AddRange(ls); } return nMaxMult; } }