Sir its going very difficult for me to solve these questions so can you please guide me how should I learn and from which sources so that I become a good coder.
Don’t call me sir… mate. I passed my 12th this year!!!
Well, talking about tutorials, first refer basic data structures like arrays, vector, map, set, Stack, Queue. Articles on geeksforgeeks and tutorialspoint are very helpful. Then work on various techniques like dp, graph, string processing, combinatorics and many more. There’s no end to it. PRACTICE is the key…
After basic data structures, refer following link for competitive programming…
Someone please upvote me. I want to ask questions 
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