How to find the largest and smallest number in unsorted array? All Questions › Category: Data Structure › How to find the largest and smallest number in unsorted array? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago We can do by using any one of the methods: Using Min Heap – HeapSelect Max-Heap Quick select