vedant1707_nprime_6.cpp

/*       
          Name: Vedant Darji
          Program Name : Print first n prime numbers                        
*/

/*###########################Program Name################################## */
#include <bits/stdc++.h> 
using namespace std; 

// Function to print first N prime numbers 
void print_first_N_primes(int N) 
{ 
	// Declare the variables 
	int i, j, flag; 

	// Print display message 
	cout << "\nPrime numbers between 1 and "
		<< N << " are:\n"; 

	// Traverse each number from 1 to N 
	// with the help of for loop 
	for (i = 1; i <= N; i++) { 

		// Skip 0 and 1 as they are 
		// niether prime nor composite 
		if (i == 1 || i == 0) 
			continue; 

		// flag variable to tell 
		// if i is prime or not 
		flag = 1; 

		for (j = 2; j <= i / 2; ++j) { 
			if (i % j == 0) { 
				flag = 0; 
				break; 
			} 
		} 

		// flag = 1 means i is prime 
		// and flag = 0 means i is not prime 
		if (flag == 1) 
			cout << i << " "; 
	} 
} 

// Driver code 
int main() 
{ 

	int N = 100; 
  printf(" Enter nos. you want to print");
  cin>>N;
	print_first_N_primes(N); 

	return 0; 
} 

/*###########################Program End################################## */