Codeforces Educational Round 117 Solutions || Problems A,B,C,D and E

Hey everyone! as always, here are the solutions to problems A, B, C, D and E of Codeforces Educational Round 117

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Timestamps :
0:00 - Intro
0:47 - A: Distance
6:38 - B: Special Permutation
13:01 - C: Chat Ban
20:38 - D: X-Magic Pair
32:03 - E: Messages

CodeforcesEducationalRound