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  1. using System;
  2. using System.Collections.Generic;
  3.  
  4. public class Test
  5. {
  6.         static void Main(string[] args) {
  7.             var list = new List<Tuple<DateTime,int>>();
  8.             list.Add(Tuple.Create(DateTime.Parse("1/29/2018"), 1));
  9.             list.Add(Tuple.Create(DateTime.Parse("1/25/2018"), 2));
  10.             list.Add(Tuple.Create(DateTime.Parse("1/20/2018"), 3));
  11.             list.Add(Tuple.Create(DateTime.Parse("1/10/2018"), 4));
  12.             list.Add(Tuple.Create(DateTime.Parse("1/3/2018"), 5));
  13.             Console.WriteLine(~list.BinarySearch(Tuple.Create(DateTime.Parse("1/1/2018"), 0), TupleCompare.Instance)-1);
  14.             Console.WriteLine(~list.BinarySearch(Tuple.Create(DateTime.Parse("1/5/2018"), 0), TupleCompare.Instance)-1);
  15.             Console.WriteLine(~list.BinarySearch(Tuple.Create(DateTime.Parse("1/28/2018"), 0), TupleCompare.Instance)-1);
  16.             Console.WriteLine(~list.BinarySearch(Tuple.Create(DateTime.Parse("2/1/2018"), 0), TupleCompare.Instance)-1);
  17.         }
  18.  
  19.         class TupleCompare : IComparer<Tuple<DateTime,int>> {
  20.             public static readonly TupleCompare Instance = new TupleCompare();
  21.             public int Compare(Tuple<DateTime,int> x, Tuple<DateTime,int> y) {
  22.                 return -x.Item1.CompareTo(y.Item1);
  23.             }
  24.         }
  25. }
Success #stdin #stdout 0.03s 16096KB
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https://ideone.com/uZ0cFw
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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