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Sudo Placement

15 posts

Sudo Placement[1.7] | Greatest Digital Root

Last Updated: 11 July 2025

Given a number N, you need to find a divisor of N such that the Digital Root of that divisor is the greatest among all other divisors of N. If more than one divisors give ...read more

Sudo Placement[1.5] | Wolfish

Last Updated: 11 July 2025

Given a N x N matrix where value at cell (i, j) is the cost of moving from a cell (i, j) to cell (i - 1, j - 1), (i - 1, j) or (i, j - 1). Your task is to find the maximum...read more

Dynamic Programming

Sudo Placement[1.5] | Partition

Last Updated: 03 May 2023

Given an array of positive and negative numbers. The task is to find a partition point such that none of the elements of left array are in the right array. If there are mu...read more

Sudo Placement[1.5] | Second Smallest in Range

Last Updated: 11 July 2025

Given an array of N integers and Q queries. Every query consists of L and R. The task is to print the second smallest element in range L-R. Print -1 if no second smallest ...read more

array-range-queries

Sudo Placement[1.4] | BST Traversal

Last Updated: 11 July 2025

Given N elements to be inserted into Binary Search Tree. The task is to construct a binary search tree with only insert operation and finally print the elements in the pos...read more

PostOrder Traversal

Sudo Placement[1.4] | K Sum

Last Updated: 11 July 2025

Given head of a linked list of integers and an integer k, your task is to modify the linked list as follows:Consider nodes in groups of size k. In every group, replace val...read more

Sudo Placement[1.4] | Jumping the Subtree

Last Updated: 29 August 2022

Given a binary search tree of n nodes with distinct values. Also given are Q queries. Each query consists of a node value that has to be searched in the BST and skip the s...read more

Preorder Traversal

Data Structures-Hash

cpp-unordered_map

Sudo Placement[1.3] | Stack Design

Last Updated: 11 July 2025

Given q number of queries, you need to perform operations on the stack. Queries are of three types 1, 2, and 3. If the operation is to push (1) then push the elements, if ...read more

Sudo Placement[1.3] | Final Destination

Last Updated: 11 July 2025

Given an array of integers and a number K with initial and final values. Your task is to find the minimum number of steps required to get final value starting from the ini...read more

placement preparation

Greedy Algorithms

Permutation and Combination

Sudo Placement[1.3] | Playing with Stacks

Last Updated: 17 January 2023

You are given 3 stacks, A(Input Stack), B(Auxiliary Stack) and C(Output Stack). Initially stack A contains numbers from 1 to N, you need to transfer all the numbers from s...read more

Algorithms-Greedy Algorithms

Sudo Placement 2 | Matrix Series

Last Updated: 11 July 2025

A Matrix series is defined as follows:M, MT, M(MT), M(MT)2, M2(MT)3, M3(MT)5, M5(MT)8. . . . . . . ., where M is a binary square matrix of sizeK x K(Binary Matrix is a spe...read more

Modular Arithmetic

Sudo Placement | Placement Tour

Last Updated: 11 July 2025

Given an array A of N positive integers and a budget B. Your task is to decide the maximum number of elements to be picked from the array such that the cumulative cost of ...read more

Sudo Placement | Range Queries

Last Updated: 11 July 2025

Given Q queries, with each query consisting of two integers L and R, the task is to find the total numbers between L and R (Both inclusive), having almost three set bits i...read more

Divide and Conquer

Sudo Placement | Palindrome Family

Last Updated: 07 December 2022

Given a string of lowercase characters, the task is to detect the family of string, where family of string is described as follows.ODD Palindrome : String with characters ...read more

Sudo Placement | Special Subsequences

Last Updated: 11 July 2025

Given a non-empty string S containing only lowercase letters, print all ‘Special Subsequences’ of S. For Instance, “ab” has the following Special Subsequences-: { “A”, “AB...read more

Algorithms-Recursion