java算法训练 Interval

    xiaoxiao2021-12-14  17

    //算法训练 Interval package lanqiaobei; import java.util.Scanner; public class Main10 { public static void main(String args[]) { Scanner scanner=new Scanner(System.in); int n=scanner.nextInt(); int m=scanner.nextInt(); int[][] arr=new int[n][m]; int sum=0; for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { arr[i][j]=scanner.nextInt(); } } scanner.close(); for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { sum=sum+arr[i][j]; }    } System.out.println(sum);    } } 代码运行结果截图:

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