
ບົດທີ 4 Big O
Authored by Vongpasith Phouthone
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Big O Notation ໃຊ້ເພື່ອຫຍັງ?
ວັດແທກເວລາປະຕິບັດງານທີ່ແທ້ຈິງຂອງໂປຣແກຣມ
ອະທິບາຍການຂະຫຍາຍຕົວຂອງຊັບພະຍາກອນທີ່ອັນກໍຣິທຶມຕ້ອງການເມື່ອຂະໜາດຂໍ້ມູນປ່ຽນແປງ
ບອກຈຳນວນແຖວຂອງໂປຣແກຣມໃນໂປຣແກຣມ
ກຳນົດຄວາມສັບສົນຂອງໂປຣແກຣມ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Big O ຂອງການເຂົ້າເຖິງອົງປະກອບໃນອາເຣໂດຍໃຊ້ອິນເດັກ (index) ແມ່ນຫຍັງ?
O(n)
O(log n)
O(1)
O(n^2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ອັນກໍຣິທຶມໃດມີ Big O ຂອງ O(log n)?
Linear Search
Bubble Sort
Binary Search
Insertion Sort
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຖ້າອັນກໍຣິທຶມໜຶ່ງໃຊ້ເວລາ 1 ວິນາທີເພື່ອປະມວນຜົນຂໍ້ມູນຂະໜາດ 1000 ລາຍການ, ແລະ ມີ Big O ເປັນ O(n^2), ມັນຈະໃຊ້ເວລາເທົ່າໃດໂດຍປະມານເພື່ອປະມວນຜົນຂໍ້ມູນຂະໜາດ 2000 ລາຍການ?
1 ວິນາທີ
2 ວິນາທີ
4 ວິນາທີ
8 ວິນາທີ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ໃນ Big O Notation, ເຮົາຄວນເອົາໃຈໃສ່ຫຍັງເປັນອັນດັບຕົ້ນໆ?
ຄ່າຄົງທີ່ (Constants)
ພົດທີ່ນ້ອຍກວ່າ (Smaller terms)
ການດຳເນີນງານຫຼັກ (Dominant operations)
ທຸກຢ່າງເທົ່າທຽມກັນ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ໂປຣແກຣມຕໍ່ໄປນີ້ມີ Big O ເທົ່າໃດ?
for i in range(n):
print(i)
O(1)
O(log n)
O(n)
O(n^2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Big O Notation ສຸມໃສ່ກໍລະນີໃດ?
ກໍລະນີທີ່ດີທີ່ສຸດ (Best-case)
ກໍລະນີສະເລ່ຍ (Average-case)
ກໍລະນີທີ່ຮ້າຍແຮງທີ່ສຸດ (Worst-case)
ທຸກໆກໍລະນີເທົ່າທຽມກັນ
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