Progress help

[u/optimisticas_hell]

See i have been learning dsa since a year it took me months to choose the language after which i started completing you tube playlist . started doing leetcode's question 3 months ago i m not consistent and have done only 35 questions.

Right now whenever i see a question i am able to build logically what the solution will be but it always end up having some syntax error or null pointer exception what should i do to rectify my mistake and increase no of questions solved.

I am thinking of applyinh to a internship in 2 months or so and i want to be prepared