C# Programs — Collections

1 Collections — List remove duplicates Easy 2 Collections — Dictionary frequency map Medium 3 Collections — Stack balanced brackets Hard 4 List — add and sum #1 Easy 5 Dictionary — word count #2 Medium 6 HashSet — remove duplicates #3 Easy 7 Queue — FIFO demo #4 Easy 8 Stack — LIFO demo #5 Easy 9 SortedDictionary — ordered keys #6 Medium 10 List — add and sum #7 Easy 11 Dictionary — word count #8 Medium 12 HashSet — remove duplicates #9 Easy 13 Queue — FIFO demo #10 Easy 14 Stack — LIFO demo #11 Easy 15 SortedDictionary — ordered keys #12 Medium 16 List — add and sum #13 Easy 17 Dictionary — word count #14 Medium 18 HashSet — remove duplicates #15 Easy 19 Queue — FIFO demo #16 Easy 20 Stack — LIFO demo #17 Easy 21 SortedDictionary — ordered keys #18 Medium 22 List — add and sum #19 Easy 23 Dictionary — word count #20 Medium 24 HashSet — remove duplicates #21 Easy 25 Queue — FIFO demo #22 Easy 26 Stack — LIFO demo #23 Easy 27 SortedDictionary — ordered keys #24 Medium 28 List — add and sum #25 Easy 29 Dictionary — word count #26 Medium 30 HashSet — remove duplicates #27 Easy 31 Queue — FIFO demo #28 Easy 32 Stack — LIFO demo #29 Easy 33 SortedDictionary — ordered keys #30 Medium 34 List — add and sum #31 Easy 35 Dictionary — word count #32 Medium 36 HashSet — remove duplicates #33 Easy 37 Queue — FIFO demo #34 Easy 38 Stack — LIFO demo #35 Easy 39 SortedDictionary — ordered keys #36 Medium 40 List — add and sum #37 Easy 41 Dictionary — word count #38 Medium 42 HashSet — remove duplicates #39 Easy 43 Queue — FIFO demo #40 Easy 44 Stack — LIFO demo #41 Easy 45 SortedDictionary — ordered keys #42 Medium 46 List — add and sum #43 Easy 47 Dictionary — word count #44 Medium 48 HashSet — remove duplicates #45 Easy 49 Queue — FIFO demo #46 Easy 50 Stack — LIFO demo #47 Easy