A+B for Input-Output Practice (VIII)

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 156032    Accepted Submission(s): 47126 Problem Description Your task is to calculate the sum of some integers.   Input Input contains an integer N in the first line, and then N lines follow. Each line starts with a integer M, and then M integers follow in the same line.   Output For each group of input integers you should output their sum in one line, and you must note that there is a blank line between outputs.   Sample Input 3 4 1 2 3 4 5 1 2 3 4 5 3 1 2 3   Sample Output 10 15

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import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); for (int i=0;i<3;i++) { int sum = 0; int a = scanner.nextInt(); for (int j=0;j<a;j++) { sum += scanner.nextInt(); } System.out.println(sum); System.out.println(); } } }