Given n = 5 and edges = [[0, 1], [0, 2], [0, 3], [1, 4]], return true. Given n = 5 and edges = [[0, 1], [1, 2], [2, 3], [1, 3], [1, 4]], return false. Hint: Given n ...
map[key].push_back(s);//gom vao map co key tuong ung //den day nhung tu co cung key da duoc gom vao 1 map[key] tuong ung ...
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