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トップに関する質問乱数で表示させる質問を重複させたくない

編集履歴

質問編集履歴

1

コード編集

2020/07/22 16:10

投稿

nine_fish397
nine_fish397

スコア8

test CHANGED
File without changes
test CHANGED
@@ -1,4 +1,4 @@
1
- タイトル通り現在String qを r = new Random().nextInt(q.length);
1
+ タイトル通り現在AndroidStudioでString qを r = new Random().nextInt(q.length);
2
2
 
3
3
  ((TextView) findViewById(R.id.situmon)).setText(q[r]);
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4
 
@@ -10,23 +10,43 @@
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10
 
11
11
  public class shindan extends AppCompatActivity {
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12
 
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- String[] q = {"行くなら？",
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+ String[] q = {
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- "隠れるなら？"
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+ "質問１",
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- };//問題
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+ "質問２",
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- String[] ta = {"海","ドアの裏"
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+ "質問３",
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+ "質問４",
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+ "質問５"
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+
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+ "質問６",
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+
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+ "質問７",
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+
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+ "質問８",
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+
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+ "質問９",
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+
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+ "質問10",
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+
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+ "質問11"
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+
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+ };
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+
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+ String[] ta = {//回答
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+
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+ "１","２","３","４","５","６","７","８","９","１０","１１"
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  };//+
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- String[] ba = {"山","ベットの下"
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+ String[] ba = {//回答
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-
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+ "１","２","３","４","５","６","７","８","９","１０","１１"
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  };//－
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52
 
@@ -35,6 +55,18 @@
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  int r = 0;//乱数の保管
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56
 
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  int count = 10;//問題数
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+
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+ int score=0;//スコア
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+
61
+
62
+
63
+ int n = 11;
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+
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+
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+
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+ int[] indexes = getShuffledIndexes(n);
68
+
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+
38
70
 
39
71
 
40
72
 
@@ -58,25 +90,13 @@
58
90
 
59
91
 
60
92
 
61
- }
93
+ for (int i = 0; i < n - 1; i++) {
62
94
 
63
-
64
-
65
-
66
-
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- public void displayTop() {//上のボタンのテキストを変えるメソッド
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-
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- if (r == 0) {
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-
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- ((TextView) findViewById(R.id.top)).setText(ta[0]);
95
+ System.out.print(indexes[i] + ", ");
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-
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- }else if (r==1){
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-
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- ((TextView) findViewById(R.id.top)).setText(ta[1]);
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96
 
77
97
  }
78
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79
-
99
+ System.out.println(indexes[n - 1]);
80
100
 
81
101
 
82
102
 
@@ -84,61 +104,43 @@
84
104
 
85
105
 
86
106
 
87
- public void displayBottom() {//下のボタンのテキストを変えるメソッド
107
+ public static int[] getShuffledIndexes(int n) {
88
108
 
89
- if (r == 0) {
109
+ if (n <= 0) {
90
110
 
91
- ((TextView) findViewById(R.id.bottom)).setText(ba[0]);
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-
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- }else if (r==1){
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+ return null;
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-
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- ((TextView) findViewById(R.id.bottom)).setText(ba[1]);
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112
 
97
113
  }
98
114
 
99
- }
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+ int[] indexes = new int[n];
100
116
 
117
+ for (int i = 0; i < n; i++) {
101
118
 
102
-
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- public void onTop(View view) {//上のボタンのメソッド
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-
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- count--;
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-
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- if (count > 0) {
119
+ indexes[i] = i;
108
-
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- ((TextView) findViewById(R.id.tc)).setText("のこり" + count + "問...");
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-
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- //出題
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-
113
- r = new Random().nextInt(q.length);
114
-
115
- ((TextView) findViewById(R.id.situmon)).setText(q[r]);
116
120
 
117
121
  }
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122
 
119
123
 
120
124
 
121
- }
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+ Random rand = new Random();
122
126
 
123
- public void onBottom (View view){//下のボタンのメソッド
124
127
 
125
- count--;
126
128
 
127
- if (count > 0) {
129
+ for (int i = n - 1; i >= 1; i--) {
128
130
 
129
- ((TextView) findViewById(R.id.tc)).setText("のこり" + count + "問...");
131
+ int j = rand.nextInt(i + 1);
130
132
 
131
- //出題
133
+ int tmp = indexes[j];
132
134
 
133
- r = new Random().nextInt(q.length);
135
+ indexes[j] = indexes[i];
134
136
 
135
- ((TextView) findViewById(R.id.situmon)).setText(q[r]);
137
+ indexes[i] = tmp;
136
-
137
- }
138
138
 
139
139
  }
140
140
 
141
141
 
142
+
143
+ return indexes;
142
144
 
143
145
  }
144
146