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G. Xor-MSTtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a complete undirected graph with n vertices. A number ai is assigned to ea...

B. Arpa and a list of numberstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputArpa has found a list containing n numbers. He calls a list bad if an...