13-MASALA(+6 BALL):Bizga massif beriladi.Massif faqat sonlardan iborat.Sonlarni barchasi ikkitadan ishlatilgan.
Faqat bitta songina 1 marta ishlatilgan.Shunday funcsiya tuzishimiz kerakki qanday shunaqa massif berilganda
yagona ishlatilgan sonni topishi kerak.Massivdagi sonlar 0 dan 100 oraliqdagi sonlar.
Masalan: (1,1,2,3,4,2,4) bu massivda yagona son 3. Chunki massivda 3 bir marta ishlatilgan.
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15-MASALA(+9 BALL):N o'zgaruvchi berilgan: $n='100'; //malumot soni
Uni sahifalarga (betlarga) bo'lishimiz kerak.masalan 1-betda 91dan 100gacha chiqsin(quyidagi rasmga qarang!)
2-bet bosilsa 81dan 90gacha chiqsin va hakazo.Tekislanish ohirgi betga nisbatan bo'lsin.Yani
$n ga 95 qiymat berilsa 1-betda 91 dan 95 gacha son chiqsin.
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18-MASALA(+13 BALL):Shunday sahifa yaratingkki u sahifada ovoz yozish imkoni mavjud bo'lsin va
zaps biror bir audio formadda saqlansin.
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19-MASALA(+3 BALL):Quyidagi jadvalni tayyorlang.