Albatta, psudcode-da sentinel tugunni topish uchun eng yaxshi imkoniyatim shu: ``` sll_node: qidiruv kalitini berib, bog'langan ro'yxatdagi birinchi raqam bo'yicha qidirish. boshlang'ich tugunni berib, qidiruv kaliti bilan tugunni topmaguningizcha keyingi tugunga davom eting. Agar tugun topilmasa, qidiruv kaliti bilan tugunni qaytaring, nullni qaytaring. ``` Shuningdek, sentinel tugunni qidiruv terminatori sifatida ishlatish, to'g'ridan-to'g'ri tugunni topish o'rniga: ``` ll_iterator: bog'langan ro'yxat orqali qidiruvni qiymat topmaguningizcha qidirishni tugating va keyingi tugun sentinel tugun bo'lsa, nullni qaytaring ```
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