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Codeforces. Programming competitions and contests, programming community . ... as I can't login on my wifi on any of google chrome, microsoft edge, or firefox (tried ...
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A password is an array a a of n n positive integers. You apply the following operation to the array: pick any two adjacent numbers that are not equal to each other and replace them with their sum. Formally, choose an index i i such that 1 ≤ i < n 1 ≤ i < n and ai ≠ ai+1 a i ≠ a i + 1, delete both ai a i and ai+1 a i + 1 from the array ...
Codeforces. Programming competitions and contests, programming community. 2021-2022 ICPC, Northern Eurasia, Southern and Volga Russian Regional Contest
