c# 两个数字字符串进行相加

最新推荐文章于 2025-03-13 10:51:09 发布

peipeiya

最新推荐文章于 2025-03-13 10:51:09 发布

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分类专栏： c# 文章标签： c# 数据结构

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		 	string a = "12321425443445";
            string b = "433225";
             var c=  Sum(a, b);
             string Sum(string a, string b)
            {
                int maxLen = Math.Max(a.Length, b.Length);
                int minLen = Math.Min(a.Length, b.Length);
                for (int i = 0; i <= maxLen - minLen; i++)
                {
                    if (a.Length < maxLen + 1)
                        a = "0"+a;
                    if (b.Length < maxLen + 1)
                        b = "0"+b;
                }
                var alist = a.Select(c => int.Parse(c.ToString())).ToList();
                var blist=b.Select(c => int.Parse(c.ToString())).ToList();
                for (int i = maxLen; i >=0; i--)
                {
                    if (alist[i] + blist[i] >= 10)
                    {
                        alist[i] = alist[i] % blist[i];
                        alist[i - 1] += 1;
                    }
                    else
                    { 
                        alist[i] = alist[i] + blist[i];
                    }
                }

                return String.Join("",alist);
            }