public class Main {
// ideone doesn't support cmd args
static final String[] ARGS
= {"5"};
public static void main
(String[] args
) { for (int i = 0; i < n; i++) {
for (int j = 1; j < n-1; j++) {
System.
out.
print(j
== i
? 'N' : ' '); }
}
}
}
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