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divide and conquer

GATE CSE & IT · Algorithms - Recurrence Relations · 1990-2026

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2026 PYQ

Consider an array $A=[10,7,8,19,41,35,25,31]$. Suppose the merge sort algorithm is executed on array $A$ to sort it in increasing order. The merge sort algorithm will carry out a t...

mediumbasic explanation
2025 Q20

Consider the following recurrence relation: T(n) = 2T(n - 1) + n2^n for n > 0, T(0) = 1. Which ONE of the following options is CORRECT?

mediumanswer key
2019 PYQ

Consider a sequence of 14 elements : A = [-5, -10, 6, 3, -1, -2, 13, 4, -9, -1, 4, 12, -3, 0]. The subsequence sum $$S\left( {i,j} \right) = \sum\limits_{k = 1}^j {A\left[ k \right...

mediumbasic explanation
2015 PYQ

Given below are some algorithms, and some algorithm design paradigms. GROUP 1 GROUP 2 1. Dijkstra's Shortest Path i. Divide and Conquer 2. Floyd-Warshall algorithm to compute all p...

easyanswer key
2015 PYQ

Suppose you are provided with the following function declaration in the C programming language. int partition(int a[], int n); The function treats the first element of a[ ] as a pi...

mediumanswer key
2015 PYQ

Match the following: List 1 (P) Prim’s algorithm for minimum spanning tree (Q) Floyd-Warshall algorithm for all pairs shortest paths (R) Mergesort (S) Hamiltonian circuit List 2 (i...

easyanswer key
2008 PYQ

When $$n = {2^{2k}}$$ for some $$k \ge 0$$, the recurrence relation $$$T\left( n \right) = \sqrt 2 T\left( {n/2} \right) + \sqrt n ,\,\,T\left( 1 \right) = 1$$$ evaluates to

mediumanswer key
2007 PYQ

An array of n numbers is given, where n is an even number. The maximum as well as the minimum of these n numbers needs to be determined. Which of the following is TRUE about the nu...

mediumanswer key
1990 PYQ

Match the pairs in the following: List - I (a) Straseen's matrix multiplication algorithm (b) Kruskal's minimum spanning tree algorithm (c) Bioconnected components algorithm (d) Fl...

easyanswer key