C# some usefull data stuctrue

Dictionary definition

Dictionary<int, int> dictName = new Dictionary<int, int>();

Find data

if (dictName.ContainsKey(KEY))
    dictName[KEY] = dictName[KEY] + 1;
else
    dictName.Add(KEY, VALUE);

Sort

dictName = dictName.OrderBy(i => i.Key).ToDictionary(c => c.Key, c => c.Value);

Print

foreach (KeyValuePair<int, int> de in dict)
{
    Console.WriteLine(de.Key.ToString()+" "+de.Value.ToString());
}

转载于:https://www.cnblogs.com/chhyong88/archive/2012/02/08/2343037.html