You don't need initialization lists for that: std::vector<int> vector1(length, 0); std::vector<double> vector2(length, 0.0);. ... <看更多>

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Uniform initialization, since C++11 (a.k.a. modern C++ era), ... std::vector<int> v(5, 0); // Initializes v to five zeros: {0, 0, 0, 0, 0}. ... <看更多>

Gist for vector initialization in C++, code stolen from StackOverflow :) ... std::vector<int> vec (arr, arr + sizeof(arr) / sizeof(arr[0]) );. ... <看更多>