Enormous Input Test CodeChef Solution

Problem – Enormous Input Test CodeChef Solution

The purpose of this problem is to verify whether the method you are using to read input data is sufficiently fast to handle problems branded with the enormous Input/Output warning. You are expected to be able to process at least 2.5MB of input data per second at runtime.

Input

The input begins with two positive integers n k (n, k<=10⁷). The next n lines of input contain one positive integer t_i, not greater than 10⁹, each.

Output

Write a single integer to output, denoting how many integers t_i are divisible by k.

Sample 1:

Input

Output

7 3
1
51
966369
7
9
999996
11

4

Explanation:

The integers divisible by 3 are 51,966369,9, and 999996. Thus, there are 4 integers in total.

Enormous Input Test CodeChef Solution in C++17

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

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int n,k;
    cin >> n >> k;

    int count=0;
    for (int i=0;i<=n-1;i++)
    {
        int a;
        cin >> a;
        if (a%k==0)
        {
            count++;
        }
    }

    cout << count << endl;
    return 0;
}

Enormous Input Test CodeChef Solution in Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;


// Remember that the class name should be "Main" and should be "public".
public class Main {
	public static void main(String[] args) {
		// System.in and System.out are input and output streams, respectively.
		InputStream inputStream = System.in;

		InputReader in = new InputReader(inputStream);

		int n = in.nextInt();
		int k = in.nextInt();
		
		int ans = 0;
		
		for (int i = 0; i < n; i++) {
			int x = in.nextInt();
			
			if (x % k == 0) {
				ans++;
			}
		}

		System.out.println(ans);
	}

	static class InputReader {
		public BufferedReader reader;
		public StringTokenizer tokenizer;

		public InputReader(InputStream stream) {
			reader = new BufferedReader(new InputStreamReader(stream), 32768);
			tokenizer = null;
		}

		public String next() {
			while (tokenizer == null || !tokenizer.hasMoreTokens()) {
				try {
				    tokenizer = new StringTokenizer(reader.readLine());
				} catch (IOException e) {
				    throw new RuntimeException(e);
				}
			}
			return tokenizer.nextToken();
		}

		public int nextInt() {
			return Integer.parseInt(next());
		}
	}
}

Enormous Input Test CodeChef Solution in Pyth 3

(n, k) = map(int, input().split(' '))

ans = 0

for i in range(n):
	x = int(input())
	if x % k == 0:
		ans += 1

print(ans)	

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