#include <stdio.h>
int main() {
int i, j;
int n;
int mid;
mid = n / 2;
for (i = 0; i < n + 2; i++) {
for (j = 0; j < n; j++) {
if (j == mid) {
} else {
}
}
}
for (i = 0; i < n + 2; i++) {
for (j = 0; j < n; j++) {
}
}
return 0;
}
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