MEDIUMasked at 1 company

Advantage Shuffle

A medium-tier problem at 53% community acceptance, tagged with Array, Two Pointers, Greedy. Reported in interviews at Point72 and 0 others.

Founder's read

You're prepping for an online assessment and you know this one's coming: Advantage Shuffle. It's been asked at Point72. The problem looks straightforward on the surface, but the greedy intuition that feels right will trap you. You need to understand when to pair elements and when to sacrifice. The 53% acceptance rate tells you most candidates miss the trick on first pass. If you blank on the strategy during the live OA and need a working solution in 90 seconds, StealthCoder surfaces it invisibly while the proctor sees you typing.

Companies asking
1
Difficulty
MEDIUM
Acceptance
53%

Companies that ask "Advantage Shuffle"

If this hits your live OA

Advantage Shuffle is the kind of problem that decides whether you pass. StealthCoder reads the problem on screen and surfaces a working solution in under 2 seconds. Invisible to screen share. The proctor sees nothing. Built by an Amazon engineer who realized the OA tests how well you memorized 200 problems, not how well you code.

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What this means

The trap is trying to pair each element optimally without a clear ordering strategy. The actual insight: sort both arrays, then use two pointers to greedily match elements from the advantage array against the disadvantage array. For each element in the disadvantage array, find the smallest element in the advantage array that beats it. If no such element exists, use your smallest unused element as a sacrifice. The algorithm hinges on sorting plus greedy pointer manipulation. Most candidates either skip the sorting step or don't realize the sacrifice strategy matters as much as the wins. When you hit this live and the greedy approach seems murky, StealthCoder gives you the clean two-pointer template to code through without second-guessing.

Pattern tags

The honest play

You know the problem. Make sure you actually pass it.

Advantage Shuffle recycles across companies for a reason. It's medium-tier, and most candidates blank under the timer. StealthCoder is the hedge: an AI overlay invisible during screen share. It reads the problem and surfaces a working solution in under 2 seconds. Built by an Amazon engineer who realized the OA tests how well you memorized 200 problems, not how well you code. Works on HackerRank, CodeSignal, CoderPad, and Karat.

Advantage Shuffle interview FAQ

Is Advantage Shuffle still asked at FAANG and tier-one shops?+

Point72 has confirmed it. The 53% acceptance rate suggests it's not a rare problem, but it's not a daily interview problem either. It appears frequently in medium-tier OAs and screening rounds where the interviewer wants to see if you can spot a greedy + sorting combo under pressure.

What's the trick I'm missing if my first attempt fails?+

You likely tried to greedily match without sorting, or you matched perfectly without considering that some sacrifices are necessary. The real trick: sort both arrays, then use two pointers to find the smallest advantage element that beats each disadvantage element. If none exists, burn your smallest unused element.

How does this relate to Array and Two Pointers topics?+

Sorting the array is the Array skill. The Two Pointers strategy is how you scan and match pairs efficiently in linear time. Together they solve the problem in O(n log n). Without both, you either fail on time or correctness.

Can I solve this without sorting?+

Technically yes, but it's slower and messier. Sorting is the pivot that unlocks the greedy strategy. Most accepted solutions sort both arrays first, then execute the two-pointer logic. It's the clearest path.

How much time should I spend on this if I get stuck in a real OA?+

If you understand Arrays and Two Pointers, the pattern should click within 10 to 15 minutes of thinking. If you're still lost after that and have other problems to solve, flag it mentally. StealthCoder is your safety net if you blank completely during screen share.

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