How can we minimize or decrease the speed of execution as well as memory occupied for the below code . Please help me in this.

Question

https://code.sololearn.com/cK9Y4coaKoa1/?ref=app

Answer 1

pettemsrikanthvarma other than vector approach mentioned by Tind , you can go with dynamic array as below:

int a[100000] can be changed to int* a = new int [n]