DSA — Binary Search

1 Sum of array elements Easy 2 Find maximum in array Easy 3 Reverse an array in-place Medium 4 Count occurrences of element Easy 5 Second largest element Medium 6 Binary search index of 5 #1 Easy 7 Binary search index of 6 #2 Easy 8 Binary search index of 7 #3 Easy 9 Binary search index of 8 #4 Easy 10 Binary search index of 9 #5 Easy 11 Binary search index of 10 #6 Easy 12 Binary search index of 11 #7 Easy 13 Binary search index of 12 #8 Easy 14 Binary search index of 13 #9 Easy 15 Binary search index of 14 #10 Easy 16 Binary search index of 15 #11 Easy 17 Binary search index of 16 #12 Easy 18 Binary search index of 5 #13 Easy 19 Binary search index of 6 #14 Easy 20 Binary search index of 7 #15 Easy 21 Binary search index of 8 #16 Easy 22 Binary search index of 9 #17 Easy 23 Binary search index of 10 #18 Easy 24 Binary search index of 11 #19 Easy 25 Binary search index of 12 #20 Easy 26 Binary search index of 13 #21 Easy 27 Binary search index of 14 #22 Easy 28 Binary search index of 15 #23 Easy 29 Binary search index of 16 #24 Easy 30 Binary search index of 5 #25 Easy 31 Binary search index of 6 #26 Easy 32 Binary search index of 7 #27 Easy 33 Binary search index of 8 #28 Easy 34 Binary search index of 9 #29 Easy 35 Binary search index of 10 #30 Easy 36 Binary search index of 11 #31 Easy 37 Binary search index of 12 #32 Easy 38 Binary search index of 13 #33 Easy 39 Binary search index of 14 #34 Easy 40 Binary search index of 15 #35 Easy 41 Binary search index of 16 #36 Easy 42 Binary search index of 5 #37 Easy 43 Binary search index of 6 #38 Easy 44 Binary search index of 7 #39 Easy 45 Binary search index of 8 #40 Easy 46 Binary search index of 9 #41 Easy 47 Binary search index of 10 #42 Easy 48 Binary search index of 11 #43 Easy 49 Binary search index of 12 #44 Easy 50 Binary search index of 13 #45 Easy