i am a indivisual persom to work with.
so tell me type of problem should i start
You should start with the programs in the Easy section of practice and sort the problems based on successful submissions.
You could also try this contest Workshop for Beginners . This will a good start for beginners.
You should read this question Learn Competitive Programming and Data Structures and Algorithms and [Awesome resource for DS and Algorithms](Data Structures and Algorithms) and many other tutorials on codechef.
Read the Editorials for different problems. Learn lots of Algorithms. Practice lots of programs. PArticipate in the contests. And soon, with a lot of hard work, you can get better.
So, Welcome To Programming. 
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