KwickClips Cyber Safety and Ethics · 43 sec · free
How do you reach a pair's values?
Short answer. first and second.
Are map keys sorted?
Yes.
Pick the right one
| Tool | Holds | Example |
|---|---|---|
| set | unique, sorted | roll numbers |
| map | key to value | item to price |
| pair | two values | name, marks |
Remember
| pair: first and second |
| map keys stay sorted |
Three STL tools. Which one should you pick? Here is the rule. A set keeps unique values, sorted. A map links a key to a value. A pair holds exactly two values. Remember two things. A pair has first and second. Map keys stay sorted.
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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