SAP Interview Questions — 39 DSA Problems

38 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked SAP LeetCode questions for software engineering interviews.

• Two Sum (EASY) — Array, Hash Table
• Count Increasing Quadruplets (HARD) — Array, Dynamic Programming, Binary Indexed Tree, Enumeration, Prefix Sum
• Maximum Students Taking Exam (HARD) — Array, Dynamic Programming, Bit Manipulation, Matrix, Bitmask
• Container With Most Water (MEDIUM) — Array, Two Pointers, Greedy
• Count the Number of Infection Sequences (HARD) — Array, Math, Combinatorics
• Maximum Path Quality of a Graph (HARD) — Array, Backtracking, Graph
• Movie Rating (MEDIUM) — Database
• Longest Common Prefix (EASY) — String, Trie
• Valid Parentheses (EASY) — String, Stack
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Valid Palindrome (EASY) — Two Pointers, String
• Maximal Square (MEDIUM) — Array, Dynamic Programming, Matrix
• Trapping Rain Water (HARD) — Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
• Reverse Linked List (EASY) — Linked List, Recursion
• Maximum Subarray (MEDIUM) — Array, Divide and Conquer, Dynamic Programming
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Leftmost Column with at Least a One (MEDIUM) — Array, Binary Search, Matrix, Interactive
• Rotate String (EASY) — String, String Matching
• Daily Temperatures (MEDIUM) — Array, Stack, Monotonic Stack
• Kth Largest Element in an Array (MEDIUM) — Array, Divide and Conquer, Sorting, Heap (Priority Queue), Quickselect
• Maximum Number of Weeks for Which You Can Work (MEDIUM) — Array, Greedy
• Longest Consecutive Sequence (MEDIUM) — Array, Hash Table, Union Find
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Remove Duplicates from Sorted Array (EASY) — Array, Two Pointers
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Max Consecutive Ones III (MEDIUM) — Array, Binary Search, Sliding Window, Prefix Sum
• Coin Change (MEDIUM) — Array, Dynamic Programming, Breadth-First Search
• Binary Search Tree to Greater Sum Tree (MEDIUM) — Tree, Depth-First Search, Binary Search Tree, Binary Tree
• LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
• Word Break (MEDIUM) — Array, Hash Table, String, Dynamic Programming, Trie, Memoization
• Linked List Cycle (EASY) — Hash Table, Linked List, Two Pointers
• Maximum Employees to Be Invited to a Meeting (HARD) — Depth-First Search, Graph, Topological Sort
• Sqrt(x) (EASY) — Math, Binary Search
• Valid Perfect Square (EASY) — Math, Binary Search
• Fibonacci Number (EASY) — Math, Dynamic Programming, Recursion, Memoization
• Monotone Increasing Digits (MEDIUM) — Math, Greedy
• Maximum Depth of Binary Tree (EASY) — Tree, Depth-First Search, Breadth-First Search, Binary Tree
• Sort Array by Increasing Frequency (EASY) — Array, Hash Table, Sorting
• Move Zeroes (EASY) — Array, Two Pointers