Maths at Light Speed | CyberStart Completion

Intern

Hello World Mixed Up Messages Social Engineering Lazy Locked Login The Rocketeer 610enC0de'd Password Traffic Jam Start-Up Troubles Hextraordinary Maths at Light Speed Off Balance The Final Countdown

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A Secret Rendezvous Lucky Throw Chopper Check-in Confused Secret Source Corrupted Route into the Router Password Postulation Snake Charmer The Competitor Revealed Big Transfer Dante In Command?

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A Helping Hand Arnold Chopper? Photobomb Upgrades? Paaa! A Dangerous Contact Maggie's File Bendikke Loves Axes Phishing For Flemming Lockdown Lost But Not Forgotten Bad Kitty

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Programming 101 Handy Variables Converting for Fun Maths in Code Super Strings

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Maths at Light Speed

Briefing:

Intern, I hope you know how to use a calculator? Of course you do. In theory you should be able to bypass this security gateway to a warehouse we believe holds clues to the whereabouts of a gang we are in hot pursuit of.

The thing is, the gateway was created by someone who loves doing everything super fast! You only get 0.1 seconds to answer the question asked by the gateway. Can you find a way around it? We’re not able to formulate an action quick enough.

Tip: Bypass the calculator lock to get the flag.

Hint:

Try watching the source code as you are spinning a new set of numbers. What changes when the spin is happening and then gets removed when the calculator gets locked?

How to Solve:

Right-click the “Submit Answer” button.
Click Inspect.
Take note of this line: <form class="form" action="/flashfast/answer" id="calc-form">
Click the “Spin for question” button.
Go back to that line and it should’ve changed: <form class="form" action="" id="calc-form">
Edit the action and add /flashfast/answer to it.
Solve the equation normally and input the answer.
Click the “Submit Answer” button to get the flag.

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