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Submission of A : https://codeforces.com/contest/1975/s...
Submission of B : https://codeforces.com/contest/1975/s...
Submission of C : https://codeforces.com/contest/1975/s...
Submission of D : https://codeforces.com/contest/1975/s...
(00:00) Problem A (Bazoka and Mocha's Array)
(06:36) Problem B (378QAQ and Mocha's Array)
(13:39) Code for Problem B
(14:13) Problem C (Chamo and Mocha's Array)
(16:39) Problem C Approach Explanation