PrIme Count
CodeChefOpen on judge ↗
Given a number $N$. Find the count of all prime numbers in the range $1$ to $N$. ###Input: - The only line of input consists of a number $N$. ###Output: Print the count of primes in the range $1$ to $N$. ###Constraints - $1 \leq N \leq 1000000$ ###Sample Input: 3 ###Sample Output: 2
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.
Sign in to chat with the tutor and save your progress.
Sign in to start