题解 | 矩阵转置

import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        int n = in.nextInt(),m = in.nextInt();
        int[][] a = new int[15][15];
        for(int i=1;i<=n;i++){
            for(int j=1;j<=m;j++){
                a[i][j] = in.nextInt();
            }
        }
        for(int i=1;i<=m;i++){
            for(int j=1;j<=n;j++){
                System.out.printf("%d ",a[j][i]);
            }
            System.out.printf("\n");
        }
    }
}