[SWEA-2025] N줄 덧셈

https://swexpertacademy.com/main/code/problem/problemDetail.do

SW Expert Academy

코드

import java.util.Scanner;

public class swea2025 {

    public static void main(String args[]) throws Exception

    {

        Scanner sc = new Scanner(System.in);

        int T;

        T=sc.nextInt();

        int num=0;

        for(int test_case = 1; test_case <= T; test_case++)

        {

            num+=test_case;

        }

        System.out.println(num);

    }

}