← All problemsSign in

Miss Spaghetti and her weird queries

Miss Spaghetti is known for her beauty and her weird interests. One of her interets is to find the number of primes in range [l,r] in a given array A. She will also ask you to update the value present at the i position of the array. Formally speaking there will be two types of queries on a given array A. - The first query is of type 1 L R. You need to print the number of primes in this range(

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
🔒
L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI

Sign in to chat with the tutor and save your progress.

Sign in to start