#hashmap search results
✅ Day 108 of #150DaysOfDSA 📍 LC 631: Design Excel Sum Formula Implemented a mini spreadsheet with cell updates, reset & formula evaluation. Used HashMap for storage & parsing formulas. ⏱ O(n) | O(1) #Design #HashMap #150DaysOfDSA ✨ Took help from a YouTube video 2 understand
#Leetcode 1865, because nums1 array is only 1k elements at most, we can use nums 2 as a freqency map. Count method can then be a 1k element loop at worst. Add method can just reduce the previous freqs, and increment the new freqs from adding val to nums2. #JS #Hashmap #Design
Explored unordered_map in C++ today! Solved LC 242 (Valid Anagram), LC 1 (Two Sum), and LC 1207 (Unique Occurrences). Maps are super helpful for frequency-based problems. New language learning coming soon 👀 #DSA #LeetCode #HashMap #Cplusplus #CodeNewbie
🔤 First Unique Character in a String Track character frequency & their indices → first index with frequency 1 = answer ✅ 🧠 TC: O(n) 📦 SC: O(n) 💡 Code is in the comments! #DSA #HashMap #Queue #Leetcode #100DaysOfCode
🧵 Day 311 of #geekstreak2025 ✅ GFG POTD: Count Unique Vowel Strings 🧠 Counted frequency of each vowel in the string, then multiplied all frequencies × factorial of distinct vowels count. Used hashmap + frequency logic — worked clean! #dsa #hashmap #math #string #potd
✅ Day 117 of #150DaysOfDSA 📍 LC 3162: Sum of Elements With Frequency Divisible by K Counted frequencies of each element, then summed those whose counts are divisible by k. Simple frequency-mapping logic → clean O(n) implementation. #Arrays #HashMap #Implementation #BruteForce
✅ Day 120 — K Different Subarrays 🧠 Trick: Exactly K = atMost(K) - atMost(K-1) 📦 Sliding window + hashmap 📈 0 ms AC on a HARD problem! #LeetCode #SlidingWindow #HashMap #100DaysOfCode #C++
eu amo usar hashtags porra #relatable #hashtags #hashmap #vaitomando #noprocedimento #calendula01032025 #teefodeclothing
🧵 Day 287 of #geekstreak2025 ✅ GFG POTD: Check if Frequencies Can Be Equal 🧠 Counted character frequencies using a map, then checked if removing one char or reducing one freq makes all remaining freqs equal. Smart map math! 🔁 #dsa #hashmap #frequency #string #potd
#50dayschallengecoding #heap #hashmap #adityaverma #prepcoding Today's topic is heap and hashmap Starting my grind fom 10:23 am
🧩 Day 23 of #100DaysOfCode Solved: 🔹 Contains Duplicate I: Used a hash set to detect duplicates in O(n) time — clean and efficient. 🔹 Contains Duplicate II: Extended logic with a hashmap to check if duplicates occur within distance k. #LeetCode #HashMap #100DaysOfCode #Coding
💡 Two Sum – Optimized HashMap: For each num: complement = target - num if map has complement → return [map.get(complement), i] else → store num in map Time: O(n), Space: O(n) ✅ #Java #LeetCode #HashMap #CodingJourney #Java
![Dasrathchry's tweet image. 💡 Two Sum – Optimized HashMap:
For each num:
complement = target - num
if map has complement → return [map.get(complement), i]
else → store num in map
Time: O(n), Space: O(n) ✅
#Java #LeetCode #HashMap #CodingJourney #Java](https://pbs.twimg.com/media/G4CVvIJXsAAvfXH.jpg)
Explored unordered_map in C++ today! Solved LC 242 (Valid Anagram), LC 1 (Two Sum), and LC 1207 (Unique Occurrences). Maps are super helpful for frequency-based problems. New language learning coming soon 👀 #DSA #LeetCode #HashMap #Cplusplus #CodeNewbie
✅ Day 108 of #150DaysOfDSA 📍 LC 631: Design Excel Sum Formula Implemented a mini spreadsheet with cell updates, reset & formula evaluation. Used HashMap for storage & parsing formulas. ⏱ O(n) | O(1) #Design #HashMap #150DaysOfDSA ✨ Took help from a YouTube video 2 understand
🔤 First Unique Character in a String Track character frequency & their indices → first index with frequency 1 = answer ✅ 🧠 TC: O(n) 📦 SC: O(n) 💡 Code is in the comments! #DSA #HashMap #Queue #Leetcode #100DaysOfCode
#Leetcode 1865, because nums1 array is only 1k elements at most, we can use nums 2 as a freqency map. Count method can then be a 1k element loop at worst. Add method can just reduce the previous freqs, and increment the new freqs from adding val to nums2. #JS #Hashmap #Design
⭐En la clase de hoy vamos a ver a la interface #hash con su implementación #hashmap teniendo en cuenta sus métodos propios y un ejemplo práctico 100% en código 🤩 #poo #java #backend #collection youtu.be/jT0gnObfFls
✅ Day 120 — K Different Subarrays 🧠 Trick: Exactly K = atMost(K) - atMost(K-1) 📦 Sliding window + hashmap 📈 0 ms AC on a HARD problem! #LeetCode #SlidingWindow #HashMap #100DaysOfCode #C++
eu amo usar hashtags porra #relatable #hashtags #hashmap #vaitomando #noprocedimento #calendula01032025 #teefodeclothing
🧵 Day 311 of #geekstreak2025 ✅ GFG POTD: Count Unique Vowel Strings 🧠 Counted frequency of each vowel in the string, then multiplied all frequencies × factorial of distinct vowels count. Used hashmap + frequency logic — worked clean! #dsa #hashmap #math #string #potd
🧵 Day 287 of #geekstreak2025 ✅ GFG POTD: Check if Frequencies Can Be Equal 🧠 Counted character frequencies using a map, then checked if removing one char or reducing one freq makes all remaining freqs equal. Smart map math! 🔁 #dsa #hashmap #frequency #string #potd
Day 127 – LeetCode 229 ✅ 🗳️ Majority Element II Count frequency of each number If freq > ⌊n/3⌋, include in result 🔁 Used hash map for counting ⚡ Simple & effective #LeetCode #C++ #HashMap #MajorityElement
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