?? yxtu.java
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package youxiangtu;import java.io.*;public class YXTu{ static public void main(String[] args){ int i=0,j=0, n=0; int[][] m = new int[100][100]; System.out.print("請輸入n*n矩陣的n值:"); try { BufferedReader by = new BufferedReader(new InputStreamReader(System.in)); String s1 = by.readLine(); n = Integer.parseInt(s1); //鍵盤讀入n for (i = 0; i < n; i++) //生成隨機矩陣 for (j = 0; j < n; j++) { m[i][j] = (int) (Math.random() * 2); //控制產(chǎn)生0與1 System.out.print(m[i][j] + ""); if ( (j + 1) % n == 0) System.out.print("\n"); } System.out.println(" 各個頂點的度為:"); for (i = 0; i < n; i++) { //輸出各個頂點的度 int sum=0; for (j = 0; j < n; j++){ if (m[i][j] == 1) sum = sum + m[i][j]; } System.out.println("頂點V"+i+"的度為:"+sum); } }catch (Exception e){ } } }
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