public class Ronot {
int Robot(int n){
int temp=0;
while(n>2){
temp=(2*n-2)+Robot(2*n-2);
n--;
}
return temp;
}
public static void main(String[] args) {
Ronot obj=new Ronot();
System.out.println(obj.Robot(4));
}
}
end;
cHVibGljIGNsYXNzIFJvbm90IHsKaW50IFJvYm90KGludCBuKXsKCWludCB0ZW1wPTA7Cgl3aGlsZShuPjIpewoJCXRlbXA9KDIqbi0yKStSb2JvdCgyKm4tMik7CgkJbi0tOwoJfQoJcmV0dXJuIHRlbXA7Cn0KcHVibGljIHN0YXRpYyB2b2lkIG1haW4oU3RyaW5nW10gYXJncykgewoJUm9ub3Qgb2JqPW5ldyBSb25vdCgpOwoJU3lzdGVtLm91dC5wcmludGxuKG9iai5Sb2JvdCg0KSk7Cn0KfQplbmQ7
gnatgcc -c -pipe -O2 prog.adb
prog.adb:1:01: compilation unit expected
prog.adb:2:17: illegal character, replaced by "("
prog.adb:4:19: illegal character, replaced by "("
prog.adb:7:09: illegal character, replaced by ")"
prog.adb:9:01: illegal character, replaced by ")"
prog.adb:10:31: illegal character, replaced by "("
prog.adb:13:01: illegal character, replaced by ")"
prog.adb:14:01: illegal character, replaced by ")"
gnatmake: "prog.adb" compilation error