Master Linked Lists for Coding Interviews: 8 Must-Solve LeetCode Problems

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  Master Linked Lists for Coding Interviews: 8 Must-Solve LeetCode Problems ⏱️  Estimated reading time: 16 minutes When you think about how software engineers work with data, they will tell you that data rarely behaves in an organized pattern (like a neat row of boxes); instead, data tends to grow, shrink, move around, and be very demanding regarding its flexibility. Linked lists were designed to solve this problem. A linked list is a linear data structure in which each piece of information called a node has two parts: 1) The piece of information that you want to store and 2) The address or reference to the address of the next node in the list so that the first and second nodes are linked together. Linked lists do not store the nodes in contiguous memory, thus eliminating time-consuming processes because insertion or deletion of nodes does not consist of shifting large numbers of nodes. Because linked lists are dynamic by nature, linked lists are used extensively withi...
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Atomic Habits Law 4 : How immediate rewards make habits stick

 

Atomic Habits Chapter 5 – The Power of Immediate Rewards

Atomic Habits Chapter 5 – The Power of Immediate Rewards

We all know habits are built for the long run, but the real challenge is this: our brain craves instant satisfaction. That’s why James Clear in Atomic Habits says – to make habits stick, you must make them satisfying in the moment.

1. Why Immediate Rewards Matter 🏆

Humans are wired for short-term dopamine hits. Think of junk food, Instagram likes, or binge-watching — they give instant pleasure, which is why they’re addictive.
So, if you want to build good habits, you need to hack the same psychology. Give your brain a reason to feel good immediately, not just years later.

2. The To-Do List Effect ✅

Ever wondered why crossing off tasks feels so good? That little tick mark is a reward signal. It tells your brain: “Job done. You’re progressing.”
This is why streaks on apps like Duolingo or Snapchat are so powerful. You don’t want to break the chain.
Tip: Use a to-do list or habit tracker. The visual proof of progress itself becomes a reward.

3. Flip the Game on Bad Habits 🚫

Immediate rewards help in building good habits, but what about breaking bad ones?
Here’s the trick: attach immediate punishment. For example:

  • Eat junk → You must do 20 pushups.
  • Procrastinate on studies → No phone for the next 2 hours.

It’s simple: make bad habits painful, good habits satisfying.

4. The Power of Accountability Partners 👬

Sometimes self-control isn’t enough. That’s where an accountability partner helps.
Imagine telling your friend: “If I miss today’s workout, I’ll pay you ₹500.” Suddenly, the stakes are real.
Best case? Find someone who doesn’t just remind you but does the habit with you. Gym buddies, study partners, or co-workers — they turn discipline into teamwork.

5. The Bottom Line 🎯

Habits survive when they feel rewarding. Don’t wait for the long-term benefits to motivate you — design small, satisfying wins today.
Track them. Celebrate them. Punish the opposite. And let others hold you accountable.

Closing Whispers 🌿

One tick, one win, today it begins,
Small rewards, yet the change it brings.
Habits aren’t distant, they’re born in the now,
Feed them daily, and life will show you how.

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