题目描述

输入两个整数，求这两个整数的和是多少。

输入格式
输入两个整数A,B，用空格隔开，$0≤A,B≤10^8$
输出格式
输出一个整数，表示这两个数的和

样例

样例输入：
3 4
样例输出：
7

模拟

$O(1)$

简单的A+B运算啦.

C
#include <stdio.h>

int main() {
    int a,b;
    scanf("%d%d",&a,&b);
    printf("%d", a+b);
    return 0;
}
C++

#include <iostream>
#include <cstdio>

using namespace std;

int main() {
    int a,b;
    cin >> a >> b;
    cout << a+b;
    return 0;
}
Pascal

var a, b: longint;
begin
    readln(a,b);
    writeln(a+b);
end.
Python2

s = raw_input().split()
print int(s[0]) + int(s[1])
Python3

s = input().split()
print(int(s[0]) + int(s[1]))
Java

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String args[]) throws Exception {
        Scanner cin=new Scanner(System.in);
        int a = cin.nextInt(), b = cin.nextInt();
        System.out.println(a+b);
    }
}
JavaScript （Node.js）

const fs = require('fs')
const data = fs.readFileSync('/dev/stdin')
const result = data.toString('ascii').trim().split(' ').map(x => parseInt(x)).reduce((a, b) => a + b, 0)
console.log(result)
process.exit() // 请注意必须在出口点处加入此行
Ruby

a, b = gets.split.map(&:to_i)
print a+b
PHP

<?php
$input = trim(file_get_contents("php://stdin"));
list($a, $b) = explode(' ', $input);
echo $a + $b;
Rust

use std::io;

fn main(){
    let mut input=String::new();
    io::stdin().read_line(&mut input).unwrap();
    let mut s=input.trim().split(' ');

    let a:i32=s.next().unwrap()
               .parse().unwrap();
    let b:i32=s.next().unwrap()
               .parse().unwrap();
    println!("{}",a+b);
}
Go

package main

import "fmt"

func main() {
    var a, b int
    fmt.Scanf("%d%d", &a, &b)
    fmt.Println(a+b)
}
C# Mono

using System;

public class APlusB{
    private static void Main(){
        string[] input = Console.ReadLine().Split(' ');
        Console.WriteLine(int.Parse(input[0]) + int.Parse(input[1]));
    }
}
Visual Basic Mono

Imports System

Module APlusB
    Sub Main()
        Dim ins As String() = Console.ReadLine().Split(New Char(){" "c})
        Console.WriteLine(Int(ins(0))+Int(ins(1)))
    End Sub
End Module
Kotlin

fun main(args: Array<String>) {
    val (a, b) = readLine()!!.split(' ').map(String::toInt)
    println(a + b)
}
Haskell

main = do
    [a, b] <- (map read . words) `fmap` getLine
    print (a+b)
Scala

object Main extends App {
    println(scala.io.StdIn.readLine().split(" ").map(_.toInt).sum)
}
Perl

my $in = <STDIN>;
chomp $in;
$in = [split /[\s,]+/, $in];
my $c = $in->[0] + $in->[1];
print "$c\n";