#include <iostream>
// memcpy
#include <cstring>
using namespace std;
int main()
{
int A[2][2] = {{3, 1}, {4, 2}},
B[2][2] = {0},
boyut = sizeof(A[0]);
for(int i = 0, j = 1; i < 2; i++, j--)
memcpy(B[j], A[i], boyut);
return 0;
}
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