本题是熟悉评测环境的入门题目

Bash

#!/root/.nix-profile/bin/bash
awk '{ print $1 + $2 }'

C

#include <stdio.h>
int main(){
    int a, b;
    scanf("%d%d", &a, &b);
    printf("%d", a + b);
}

C++

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a, b;
	cin >> a >> b;
	cout << a + b;
}

Pascal

program Main;
var
  a, b: Int64;
begin
  readln(a, b);
  writeln(a + b);
end.

Java

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println(sc.nextLong() + sc.nextLong());
    }
}

Kotlin

fun main() {
    val (a, b) = readln().split(" ").map { it.toLong() }
    println(a + b)
}

Python

import sys
a, b = map(int, input().split())
print(a + b)

PHP

<?php
fscanf(STDIN, "%d %d", $a, $b);
echo ($a + $b) . PHP_EOL;
?>

Rust

use std::io;
fn main() {
    let mut s = String::new();
    io::stdin().read_line(&mut s).unwrap();
    let v: Vec<i64> = s.split_whitespace().map(|x| x.parse().unwrap()).collect();
    println!("{}", v[0] + v[1]);
}

Haskell

main = do
  line <- getLine
  let [a, b] = map read (words line) :: [Integer]
  print (a + b)

Node.js

const fs = require('fs');

const [a, b] = fs.readFileSync(0, 'utf8').trim().split(/\s+/).map(Number);
console.log(a + b);

Go

package main
import "fmt"
func main(){
	var a, b int64
	fmt.Scan(&a, &b)
	fmt.Println(a + b)
}

Ruby

a, b = STDIN.read.split.map(&:to_i)
puts a + b

C#

using System;
class Program{
    static void Main(){
        string[] s = Console.ReadLine().Split();
        long a = long.Parse(s[0]);
        long b = long.Parse(s[1]);
        Console.WriteLine(a + b);
    }
}

R

line <- readLines("stdin", n = 1, warn = FALSE)
x <- strsplit(trimws(line), "\\s+")[[1]]
cat(as.numeric(x[1]) + as.numeric(x[2]), "\n")
q(status = 0)