C++ STL PLAYLIST : https://youtube.com/playlist?list=PLauivoElc3gh3RCiQA82MDI-gJfXQQVnn FREE COMPETITIVE PROGRAMMING COURSE PLAYLIST : https://youtube.com/playlist?list=PLauivoElc3ggagradg8MfOZreCMmXMmJ- FOR DOUBTS AND DISCUSSIONS, JOIN DISCORD : https://discord.gg/GMH23tq7Y7 In this video I discuss in detail Vector and pairs in c++ STL. I discuss how we can make copy of vectors directly, how references work with containers, .size() functions in containers and much more. Timestamps: Pairs : (0:00) Vectors : (6:13) Be a part of our awesome Community. Join Discord : https://discord.gg/GMH23tq7Y7 Telegram : https://t.me/LuvIsMeYT You can follow me on below platforms for all the latest updates Instagram : https://www.instagram.com/i._m_.luv/ Twitter : https://twitter.com/Luvk1412 Linkedin : https://www.linkedin.com/in/luvk1412/ Blog(Not frequently updated) Blog : https://www.codewithluv.in Hashtags #vector #pair #stl #beginners #tutorial