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Office of Decryption

The CBI has increased the interception of mails sent over the internet passing through the servers based in India, especially after the 26/11. As usual, the bad guys are a step ahead of the Intelligence Agencies. However, in a striking breakthrough, the CBI came across an encrypted mail sent from an untraceable location. Since you are one of the programmers working for the CBI, you have been assig

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
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L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

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