company prep
Infosys
Problems frequently reported at Infosys, in course order. Solve the must-dos first.
8 easy7 medium0 hardKadane / running best ×21D DP ×2Simulation ×1Digit peeling (% 10 and / 10) ×1Divide and conquer ×1Frequency counting ×1
02 · Arrays & Strings in Java
- #1929Concatenation of ArrayEasy
09 · Math & Number Theory
- #9Palindrome NumberEasy
10 · Arrays & Strings
- #121Best Time to Buy and Sell StockEasymust-do
- #53Maximum SubarrayMediummust-do
- #242Valid AnagramEasymust-do
- #31Next PermutationMediummust-do
12 · Two Pointers
- #283Move ZeroesEasy
13 · Sliding Window
- #3Longest Substring Without Repeating CharactersMediummust-do
14 · Hashing & Prefix Sums
- #1Two SumEasymust-do
- #303Range Sum Query - ImmutableEasymust-do
- #560Subarray Sum Equals KMediummust-do
26 · Graphs: BFS & DFS
- #994Rotting OrangesMediummust-do
32 · Greedy Algorithms
- #134Gas StationMediummust-do
35 · Dynamic Programming
- #70Climbing StairsEasymust-do
- #198House RobberMediummust-do