日期:2014-05-18 浏览次数:20985 次
            string s = "3242615284293";
            int[] times = new int[10] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
            foreach (char c in s)
                times[int.Parse(c.ToString())]++;
            string r = "";
            for (int i = 0; i < times.Length; i++)
                r += (string.Format("[{0}]:{1}; ", i, times[i]));
            textBox1.Text = r;
------解决方案--------------------
string str = "3242615284293";
textBox1.Text = new string(str.GroupBy(v1 => v1).OrderBy(v1 => v1.Count()).Reverse().Select(v1 => v1.Key).ToArray());
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