1054. Distant Barcodes

In a warehouse, there is a row of barcodes, where the ith barcode is barcodes[i].

Rearrange the barcodes so that no two adjacent barcodes are equal. You may return any answer, and it is guaranteed an answer exists.

E - Range Sums

D - AND and SUM

C - digitnum

B - Sum of Three Terms

A - Floor, Ceil - Decomposition

Codeforces Round #643 (Div. 2) D. Game With Array

Codeforces Round #647 (Div. 2) - Thanks, Algo Muse! C. Johnny and Another Rating Drop

Codeforces Round #646 (Div. 2) B. Subsequence Hate

Codeforces Round #648 (Div. 2) C. Rotation Matching