J. Primes from 1 to n – Codeforces Problem Solution in C

Disclaimer: Make sure you tried enough before checking the solution

Problem: https://codeforces.com/group/MWSDmqGsZm/contest/219432/problem/J

//https://codeforces.com/group/MWSDmqGsZm/contest/219432/problem/H
//Prime numbers

#include <stdio.h>

int isPrime(int n)
{

	if (n == 1 || n == 0)
		return 0;


	for (int i = 2; i < n; i++) {

		if (n % i == 0)
			return 0;
	}

	return 1;
}


int main()
{

	int N;
	scanf("%d",&N);


	for (int i = 1; i <= N; i++) {

		if (isPrime(i))
			printf("%d ", i);
	}

	return 0;
}

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