#include <iostream>
#include <string.h>
constexpr char my_str[] = "hehe12";
constexpr int u = sizeof(my_str);
constexpr int v = strlen(my_str);
using array_type = int[v];
int main()
{
std::cout << u << '\n';
std::cout << v << '\n';
array_type array = {10, 20, 30};
std::cout << array[0] << '\n';
std::cout << array[1] << '\n';
std::cout << array[2] << '\n';
std::cout << array[3] << '\n';
return 0;
}
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