#include <stdio.h>
int main(void)
{
int x, y;
int a[x][y];
for(int i = 0; i < x; ++i)
{
for(int j = 0; j < y; ++j)
{
}
}
for(int i = 0; i < x; ++i)
{
for(int j = 0; j < y; ++j)
{
}
}
}
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