#include <stdio.h>
#include <stdlib.h>
void main(void)
{
int x, y, z, d;
for(x=0;x<d;x++)
{
for(y=0;y<(d-x);y++)
{
}
for(z=0;z<1 + 2 * x;z++)
{
}
}
return 0;
}
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