每组数据有两个整数
use std::io::{self, *}; fn main() { let stdin = io::stdin(); while let Some(Ok(line)) = stdin.lock().lines().next() { let numbers: Vec<&str> = line.split(" ").collect(); let a = numbers[0].trim().parse::<i32>().unwrap_or(0); let b = numbers[1].trim().parse::<i32>().unwrap_or(0); print!("{}\n", a + b); } }
import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNextInt()) { // 注意 while 处理多个 case int a = in.nextInt(); if (in.hasNext()) { int b = in.nextInt(); System.out.println(a + b); } } } }