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KwickClips Cyber Safety and Ethics · 44 sec · free

What do you pass to these algorithms?

Short answer. begin() and end().

Which one needs sorted data?

binary_search.

From the algorithm header

NameDoesSorted?
sortorders itemsNo
findfirst matchNo
counthow manyNo
binary_searchis it there?Yes

Remember

Pass begin() and end()
Sort before binary_search

Why loop by hand? These four do it. Four tools. Sort orders items. Find gives the first match. Count tells how many. Binary search needs sorted data. Remember two things. Pass begin and end. Sort before binary search.

This clip is from the full lesson: The Standard Template Library: vector, set, map and Algorithms — 8 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 9 Computer Applications (165), ISC Class 11 Computer Science (868), GSEB Std 10 Computer Studies, Cambridge IGCSE Grade 10 Computer Science (0478)

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