DIVISIBLE SUBARRAYS

#1


My code is not passing 3 test cases, kindly provide a better code highlighting my mistakes.

#2

Hello @yash_aryan please see this:


if you have any doubt in this:
you can ask here:
Happy Learning!!

#3

Please explain these 3 questions

  1. mod[((cumSum % n) + n) % n]++;//What is it’s use in the code?
  2. result += (mod[i] * (mod[i] - 1)) / 2;//What is it’s use in the code?
  3. How to identify that where we should use int32_t main()
#4

Hello @yash_aryan have you seen the editorial for this question?
if not watch this : you will understand everything


wherever we define int as long long int there we have to declare int in int main as int32_t main.
Happy Learning!!
#5

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