Email Reminders CodeChef Solution

Problem – Email Reminders CodeChef Solution

MoEngage helps the Chef send email reminders about rated contests to the participants.

There are a total of N participants on Chef’s platform, and U of them have told Chef not to send emails to them.

If so, how many participants should MoEngage send the contest emails to?

Input Format

  • The first and only line of input will contain a single line containing two space-separated integers N (the total number of users) and U (the number of users who don’t want to receive contest reminders).

Output Format

Output in a single line, the number of users MoEngage has to send an email to.

Constraints

  • 1≤U<N≤10^5

Sample 1:

Input: 100 7
Output: 93

Explanation:

Out of 100 users, 7 do not want to receive reminders. Hence, MoEngage needs to send email to 93 users.

Sample 2:

Input: 4456 342
Output: 4114

Explanation:

Out of 4456 users, 342 do not want to receive reminders. Hence MoEngage needs to send email to 4114 users.

Email Reminders CodeChef Solution in C++17

#include <iostream>
using namespace std;

int main() {
	int n,u;
	cin>>n>>u;
	cout<<n-u<<endl;
	return 0;
}

Email Reminders CodeChef Solution in Pyth 3

n,u=map(int,input().split())
print(n-u)

Email Reminders CodeChef Solution in Java

import java.util.*;
import java.lang.*;
import java.io.*;

class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner sc=new Scanner(System.in);
		int u=sc.nextInt();
		int n=sc.nextInt();
		System.out.println(u-n);
	}
}
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