题解 | 多组_A+B_T组形式

using System;
using System.Text;
class Program
    {
        static void Main(string[] args)
        {
            int t = int.Parse(Console.ReadLine());//读取t
            StringBuilder sb = new StringBuilder();//用于高效存储和输出
            for (int i = 0; i < t; i++)
            {
                String[] tokens = Console.ReadLine().Split();
                int a = int.Parse(tokens[0]);
                int b = int.Parse(tokens[1]);
                sb.AppendLine((a+b).ToString());
            }
            Console.WriteLine(sb);
            Console.ReadLine();        
        }
    }