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#include <iostream> int main() { int arr[] = {1, 2, 3, 4, 5, 6, 7}; std::cout << sizeof arr/sizeof arr[0]; return 0; } /* run: 7 */
#include <iostream> #include <array> int main() { std::array<int, 7> arr = {1, 2, 3, 4, 5, 6, 7}; std::cout << arr.size(); return 0; } /* run: 7 */