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Handle edge case for empty or single-element vector #3114

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Handle edge case for empty or single-element vector #3114

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1 change: 1 addition & 0 deletions search/binary_search.cpp
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Expand Up @@ -59,6 +59,7 @@ namespace binary_search {
* @returns @param int index of val in vector arr
*******************************************************************************/
uint64_t binarySearch(std::vector<uint64_t> arr, uint64_t val) {
if (arr.size() <= 1) return arr[0];
uint64_t low = 0; // set the lowest point of the vector.
uint64_t high = arr.size() - 1; // set the highest point of the vector.

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