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f i give input like 1,1,4,5,6,1,2,5,4,1,2, then output
should be like : 1-4, 2-2, 4-2, 5-1, 6-1 which means 1
occurs 4 times, 2 occurs 2 times like so.
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Answer Posted / amitabh dubey
In C# 3.0 with Linq here how you will do
int[] intArray = { 1, 1, 4, 5, 6, 1, 2, 5, 4, 1, 2 };
var groups = from g in intArray
orderby g
group g by g;
StringBuilder stringBuilder = new StringBuilder();
foreach (var g in groups)
stringBuilder.Append(g.Key + "-" + g.Count() + ",");
Console.WriteLine(stringBuilder.ToString());
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