J02105_DanhSachKe.java

import java.util.*;
import java.io.*;
public class J02105_DanhSachKe {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int [][]a = new int[n][n];
        
        for(int i = 0;i<n;i++)
            for(int j = 0;j<n;j++)
                a[i][j]= sc.nextInt();
                
        for(int i = 0;i<n;i++){
            System.out.print("List("+(i+1)+") = ");
             for(int j = 0;j<n;j++)
                 if(a[i][j]==1)   
                     System.out.print((j+1)+" ");
             System.out.println("");        
        }
    }
}