Fast I/O methods for competitive programming

Main.cpp

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    // THIS TWO LINES
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);    
    
    //EXAMPLE
    int n, k, t;
    int cnt = 0;
    cin >> n >> k;
    for(int i=0; i<n; i++){
        cin >> t;
        if(t % k == 0) cnt++;
    }
    cout << cnt << "\n";
     
    return 0;
}

Main.java

import java.io.*;
import java.util.*;
 
public class Main{
     
    public static void main(String[] args) {
        MyScanner sc = new MyScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out), true);       
                       
        int cnt = 0;
        int n = sc.nextInt();
        int k = sc.nextInt();
 
        int t;
        for(int i=0; i<n; i++){
            t = sc.nextInt();
            if(t % k == 0) cnt++;
        }
         
        out.println(cnt);
               
         
        /*
        Other types of input
        int n      = sc.nextInt();        // read input as integer
        long k     = sc.nextLong();       // read input as long
        double d   = sc.nextDouble();     // read input as double
        String str = sc.next();           // read input as String
        String s   = sc.nextLine();       // read whole line as String
 
        int result = 3*n;
        out.println(result);                    // print via PrintWriter
        */
 
        out.close();
    }
 
    //PrintWriter for faster output
    public static PrintWriter out;
 
    //Class for faster input
    public static class MyScanner {
        BufferedReader br;
        StringTokenizer st;
 
        public MyScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }
 
        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
 
        int nextInt() { return Integer.parseInt(next()); }
        long nextLong() { return Long.parseLong(next()); }
        double nextDouble() { return Double.parseDouble(next()); }
         
        String nextLine(){
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}

Main.py

def main():
    from sys import stdin, stdout
    n, k = stdin.readline().split()
    n = int(n)
    k = int(k)
     
    cnt = 0
    lines = stdin.readlines()
    for line in lines:
        if int(line) % k == 0:
            cnt += 1
 
    stdout.write(str(cnt))
 
if __name__ == "__main__":
    main()

I rename the c++ and python files only czMain.java has getting the gist name