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(1) Vector Common method: vector<int> v; vector v(10, 0); // {0,0,0,0,0,0,0,0,0,0} v[i] // acc...
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Q: For a given size = n array, how to choose k element fairly? A: This is a rather easy question if n is small. What if the size is unkn...
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給定一個數列,要輸出隨機排列的序列: 方法1. c++提供 next_permutation() http://www.cplusplus.com/reference/algorithm/next_permutation/ 結果: ...
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