48. search first index with Binary Search(possible duplicate array)
Share
easy - accepted / - tried
This is a variation of 37. implement Binary Search (unique).
Your are given a sorted ascending array of number, but might have duplicates, you are asked to return the first index of a target number.
If not found return -1.
note
Please don't use Array.prototype.indexOf()
, it is not our goal.
37. implement Binary Search (unique) 49. search last index with Binary Search(possible duplicate array) 50. search element right before target with Binary Search(possible duplicate array) 51. search element right after target with Binary Search(possible duplicate array)
Related Lists
Binary Search is important for Front End