#include <cstdio>
#include <memory.h>
using namespace std;
int main()
{
const unsigned N = 8;
double a[N] = { 1, 2, 3 };
double b[N];
memcpy(b, a, sizeof a);
for (unsigned q=0; q<N; ++q)
printf("%lf ", b[q]);
return 0;
}
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