各种语言版本的程序样例集

以下样例程序可用于解决这道简单的题目：读入2个整数A和B，然后输出它们的和。

awk (.awk)

{print $1 + $2}

bash (.sh)

while read i; do
  echo $((${i/ /+}))
done

clang (.c)

#include <stdio.h>

int main()
{
  int a, b;

  while(scanf("%d %d",&a, &b) != EOF)
    printf("%d\n", a + b);

  return 0;
}

clang++ (.cpp)

#include <iostream>

using namespace std;

int main()
{
  int a, b;

  while (cin >> a >> b)
    cout << a+b << endl;

  return 0;
}

clisp (.cl)

(loop for n = (read t nil nil)
      while n
      do (format t "~d~C" (+ n (read)) #\linefeed))

fpc (.pas)

var
  a, b: integer;
begin
  while not eof(input) do begin
    readln(a, b);
    writeln(a + b);
  end;
end.

gcc (.c)

#include <stdio.h>

int main()
{
  int a, b;

  while(scanf("%d %d",&a, &b) != EOF)
    printf("%d\n", a + b);

  return 0;
}

g++ (.cpp)

#include <iostream>

using namespace std;

int main()
{
  int a, b;

  while (cin >> a >> b)
    cout << a+b << endl;

  return 0;
}

gccgo、go (.go)

package main

import "fmt"

func main() {
  var a, b int
  for {
    n, _ := fmt.Scanf("%d %d", &a, &b)
    if (n != 2) { break }
    fmt.Println(a + b)
  }
}

gcj (.gcj.java)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
      Scanner in = new Scanner(System.in);
    try {
      while (in.hasNextInt()) {
        int a = in.nextInt();
        int b = in.nextInt();
        System.out.println(a + b);
      }
    } catch (NullPointerException ex) {
      // gcj Scanner has a bug that throws NPE
      ;
    }
				}
}

ghc (.hs)

main = interact $ unlines . map (show . sum . map read . words) . lines

javac (.java)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            int a = in.nextInt();
            int b = in.nextInt();
            System.out.println(a + b);
        }
    }
}

lua (.lua)

for a, b in io.read(‘*a‘):gmatch(‘([%d-]+) ([%d-]+)‘) do
  print(tonumber(a) + tonumber(b))
end

mcs (.cs)

public class Program {
  public static void Main() {
    string line;
    while ((line = System.Console.ReadLine ()) != null) {
      string[] tokens = line.Split();
      System.Console.WriteLine(int.Parse(tokens[0]) + int.Parse(tokens[1]));
    }
  }
}

node (.js)

var fs = require(‘fs‘);
var buf = ‘‘;

process.stdin.on(‘readable‘, function() {
  var chunk = process.stdin.read();
  if (chunk) buf += chunk.toString();
});

process.stdin.on(‘end‘, function() {
  buf.split(‘\n‘).forEach(function(line) {
    var tokens = line.split(‘ ‘).map(function(x) { return parseInt(x); });
    if (tokens.length != 2) return;
    console.log(tokens.reduce(function(a, b) { return a + b; }));
  });
});

ocamlc (.ml)

try
  while true do
    Scanf.scanf " %d %d" (fun a b -> Printf.printf "%d\n" (a + b))
  done;
  None
with
  End_of_file -> None
;;

perl (.pl)

#!/usr/bin/perl -pla
$_ = $F[0] + $F[1]

php (.php)

<?php
while (fscanf(STDIN, "%d%d", $a, $b) == 2) {
  print ($a + $b) . "\n";
}

python2, 3 (.py) (注意python3应使用 input() 读输入)

import sys

for line in sys.stdin:
    print(sum(map(int, line.split())))

racket (.rkt)

#lang racket

(define (f)
  (let ([n (read)])
    (if (eof-object? n)
        (void)
        (begin (displayln (+ (read) n))
               (f)))))

(f)

ruby (.rb)

STDIN.each_line do |line|
  puts line.split.map(&:to_i).inject(:+)
end

valac (.vala)

public static int main(string[] args) {
  int a = 0, b = 0;
  while (stdin.scanf("%d%d", &a, &b) == 2) {
    stdout.printf("%d\n", a + b);
  }
  return 0;
}

vbnc (.vb)

Module Program

  Sub Main()
    Do
      Dim line As String = Console.ReadLine()
      If line Is Nothing Then Exit Do
      Dim a() As String = line.Split(" "c)
      Console.WriteLine(CInt(a(0)) + CInt(a(1)))
    Loop
  End Sub

End Module