#include <stdio.h>
int main() {
const char *number_groups[2][4][2] = {
{
{"5", "6"},
{"5.0", "6.0"},
{"5/1", "6/1"},
{"15/3", "-12/-2"},
},
{ // number_groups[1]
{"-98765432109876543210", "98765432109876543210"},
{"-98765432109876543210.0", "98765432109876543210"},
{"-98765432109876543210/1", "98765432109876543210/1"},
NULL // number_groups[1][3]
}
};
printf("(number_groups[1][3] == NULL) == %d\n", number_groups[1][3] == NULL);
return 0;
}
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