Codeforces Round 947 (Div. 1 + Div. 2) A. Bazoka and Mocha's Array Code : Bazoka and Mocha's Array B. 378QAQ and Mocha's Array Code : 378QAQ and Mocha's Array C. Chamo and Mocha's Array Hints: Chamo and Mocha's Array Code : Chamo and Mocha's Array