A Teacher teachings

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**In Hidden Leaf Village**, there are lots of great Shinobi who have mastered the art of *Ninjutsu and Genjutsu.* Now they want the new *Genins* in the village to learn these too. You are given an array of size **N** denoting the position of ***i $^t$$^h$*** Ninja as **A$_i$**. Any Ninja in the village can communicate to any other Ninja who is sitting from him at most at a distance of **K**

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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solution.cppC++17

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