#include <stdio.h>
int main(void) {
int n;
//int A[n];
int A[n], B[n];
for (int i = 0; i < n; ++i)
for (int i = 0; i < n; ++i)
B[i] = A[i];
//for (int i = 0; i < n; ++i)
while (n--)
return 0;
}
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