Millennium Interview Questions — 7 DSA Problems

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

Most frequently asked Millennium LeetCode questions for software engineering interviews.

Pow(x, n) (MEDIUM) — Math, Recursion
Find the Smallest Divisor Given a Threshold (MEDIUM) — Array, Binary Search
Broken Calculator (MEDIUM) — Math, Greedy
Partition Array Into Two Arrays to Minimize Sum Difference (HARD) — Array, Two Pointers, Binary Search, Dynamic Programming, Bit Manipulation, Ordered Set, Bitmask
Valid Parentheses (EASY) — String, Stack
Palindromic Substrings (MEDIUM) — Two Pointers, String, Dynamic Programming
Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming

Interview Prep/Companies/Millennium

M

Millennium

7 questions tracked7 with solutions

🔍

Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 7 of 7 questions

1

MediumPow(x, n)✓ Our Solution

100

MathRecursion

LeetCode ↗37% acc.

2

MediumFind the Smallest Divisor Given a Threshold✓ Our Solution

100

ArrayBinary Search

LeetCode ↗64% acc.

3

MediumBroken Calculator✓ Our Solution

100

MathGreedy

LeetCode ↗55% acc.

4

HardPartition Array Into Two Arrays to Minimize Sum Difference✓ Our Solution

100

ArrayTwo PointersBinary SearchDynamic Programming+3

LeetCode ↗22% acc.

5

EasyValid Parentheses✓ Our Solution

100

StringStack

LeetCode ↗42% acc.

6

MediumPalindromic Substrings✓ Our Solution

100

Two PointersStringDynamic Programming

LeetCode ↗72% acc.

7

EasyBest Time to Buy and Sell Stock✓ Our Solution

100

ArrayDynamic Programming

LeetCode ↗55% acc.