winebarrel https://blog.hatena.ne.jp/winebarrel/ so what https://so-wh.at/ C++ #include <iostream> #include <vector> using namespace std; void puts_array(int *p, int len) { for (int i = 0; i < len; i++) { cout << p[i] << endl; } } int main() { vector<int> v; for (int i = 0; i < 10; i++) { v.push_back(i); } puts_array(&v[0], v.size()); return 0; } 0 1 2 3 4 5 6 7 8 9 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20080529%2Fp3" title=" vectorを配列にしてみる - so what" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-05-29 00:00:00 rich https://so-wh.at/entry/20080529/p3 1.0 100%