#include <stdio.h>
int main(void){
int n=0;
char napis[n];
int i=0;
int j=0;
for(j=0;j<=(n/2);j++){
for(i=0;i<n;i++){
if( (i>((n/2)+j)) || (i<((n/2)-j)) ){
}
}
}
return 0;
}
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