Problem Solving

Heaps

(Aditya Verma's YT Channel)

• K^th largest element: here
• K^th smallest element: here
• Print K largest elements: here
• Sort a K-sorted array: here
• Find K closest numbers to a given number: here
• Print top k frequent numbers: here
• Frequency sort: here
• Find K closest pairs to origin: here
• Connect ropes to minimize the cost: here
• Sum of elements between K1^th smallest and K2^th smallest elements: here

Sorting Algorithms

• Selection sort: here
• Bubble sort: here
• Insertion sort: here
• Merge sort: here
• Heap sort: here
• Quick sort: here