HDOJ 1001 Sum Problem(java)

    xiaoxiao2023-03-24  3

    HDOJ 1001题,应该很多人输出格式错误

    import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sn = new Scanner(System.in); while(sn.hasNext()){ double b = sn.nextDouble(); System.out.println((int)((1+b)*b/2)); System.out.println(); } sn.close(); } }
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