質問編集履歴
4
コードの余白を削除
test
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test
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```
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//
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// Created by Daisuke Amano on 2019-07-11.
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//
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#include <stdio.h>
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#include <stdlib.h>
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3
再編集前のデータを再掲しました．
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### 該
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### 当該のソースコード
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```
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define N 512 // 1行の最大文字数(バイト数)
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#define X 30
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int main(void) {
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FILE *fp; // FILE型構造体
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char fname[] = "test2.csv";
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char str[N];
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char *box[X];
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char *p;
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fp = fopen(fname, "r"); // ファイルを開く。失敗するとNULLを返す。
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if(fp == NULL) {
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printf("%s file not open!\n", fname);
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return -1;
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}
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fgets(str, N, fp);
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p = strtok(str, ",");
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puts(p);
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box[0] = p;
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while(p!=NULL){
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p = strtok(NULL,",");
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if(p!=NULL){
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int i = 1;
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puts(p);
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box[i] = p;
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//printf("%s\n", box[i]);
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i++;
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}
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}
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printf("%s\n", str);
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fclose(fp); // ファイルを閉じる
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for(int j=0; j<=X-1; j++){
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printf("%c", *box[j]);
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}
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printf("\n");*/
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return 0;
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}
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```
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### 出力されるコード
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```
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./a.out
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Settings
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Toilet_Duration
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Toilet_Duration
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0:01
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Settings
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Segmentation fault: 11
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+
```
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256
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+
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257
|
+
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258
|
+
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259
|
+
### 編集後の該当のソースコード
|
|
10
260
|
|
|
11
261
|
```
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12
262
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@@ -132,7 +382,7 @@
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132
382
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133
383
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```
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134
384
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135
|
-
### 出力されるコード
|
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385
|
+
### 編集後の出力されるコード
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136
386
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137
387
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138
388
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2
記載方法の間違いを修正しました．
test
CHANGED
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File without changes
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test
CHANGED
|
@@ -8,6 +8,8 @@
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8
8
|
|
|
9
9
|
### 該当のソースコード
|
|
10
10
|
|
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11
|
+
```
|
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12
|
+
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11
13
|
//
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12
14
|
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13
15
|
// Created by Daisuke Amano on 2019-07-11.
|
1
ご指摘頂いた箇所を修正しました．
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -2,32 +2,12 @@
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2
2
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3
3
|
.csvファイルをJSON化するプログラムを制作しています．csvファイルの読み取りまでは上手くいったのですが，strtokとポインタの使い方がいまいち掴めず，データがboxに格納されているのか判断できません．
|
|
4
4
|
|
|
5
|
-
.csvファイルを1行ごと読み込み，strtokを使用して分解，その分解したデータを格納するタイミングで
|
|
5
|
+
.csvファイルを1行ごと読み込み，strtokを使用して分解，その分解したデータを格納するタイミングで問題が起きているようです．
|
|
6
|
-
|
|
7
|
-
|
|
8
|
-
|
|
9
|
-
### 発生している問題・エラーメッセージ
|
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10
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-
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11
|
-
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12
|
-
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13
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```
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14
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15
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16
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17
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Segmentation fault: 11
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18
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19
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20
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-
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21
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-
```
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22
6
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23
7
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24
8
|
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25
9
|
### 該当のソースコード
|
|
26
10
|
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27
|
-
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28
|
-
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29
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-
```C
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30
|
-
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31
11
|
//
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32
12
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33
13
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// Created by Daisuke Amano on 2019-07-11.
|
|
@@ -46,7 +26,7 @@
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46
26
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47
27
|
#define N 512 // 1行の最大文字数(バイト数)
|
|
48
28
|
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|
49
|
-
#define X
|
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29
|
+
#define X 512
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50
30
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51
31
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52
32
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@@ -62,6 +42,8 @@
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62
42
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63
43
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char *p;
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64
44
|
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45
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+
int i = 0;
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|
46
|
+
|
|
65
47
|
|
|
66
48
|
|
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67
49
|
fp = fopen(fname, "r"); // ファイルを開く。失敗するとNULLを返す。
|
|
@@ -90,7 +72,9 @@
|
|
|
90
72
|
|
|
91
73
|
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|
92
74
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93
|
-
box[
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75
|
+
box[i] = p;
|
|
76
|
+
|
|
77
|
+
i++;
|
|
94
78
|
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95
79
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96
80
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@@ -102,12 +86,14 @@
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102
86
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103
87
|
if(p!=NULL){
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88
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105
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-
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89
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+
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106
90
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107
91
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puts(p);
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108
92
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109
93
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box[i] = p;
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110
94
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95
|
+
printf("%s\n", box[i]);
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96
|
+
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111
97
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i++;
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98
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113
99
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}
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@@ -116,7 +102,7 @@
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116
102
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117
103
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104
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119
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-
printf("%s", str);
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105
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+
printf("%s\n", str);
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120
106
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@@ -130,11 +116,7 @@
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133
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-
for(int j=0; j<=X-1; j++){
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134
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-
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135
|
-
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119
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+
printf("%c\n", *box[1]);
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136
|
-
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137
|
-
}
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138
120
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139
121
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122
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|
@@ -162,61 +144,119 @@
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162
144
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163
145
|
Toilet_Duration
|
|
164
146
|
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|
147
|
+
Toilet_Duration
|
|
148
|
+
|
|
165
149
|
0:01
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166
150
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167
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|
209
|
-
0
|
|
210
|
-
|
|
211
|
-
0
|
|
212
|
-
|
|
213
|
-
0
|
|
214
|
-
|
|
215
|
-
0
|
|
216
|
-
|
|
217
|
-
|
|
218
|
-
|
|
219
|
-
|
|
151
|
+
0:01
|
|
152
|
+
|
|
153
|
+
0
|
|
154
|
+
|
|
155
|
+
0
|
|
156
|
+
|
|
157
|
+
0
|
|
158
|
+
|
|
159
|
+
0
|
|
160
|
+
|
|
161
|
+
0
|
|
162
|
+
|
|
163
|
+
0
|
|
164
|
+
|
|
165
|
+
0
|
|
166
|
+
|
|
167
|
+
0
|
|
168
|
+
|
|
169
|
+
0
|
|
170
|
+
|
|
171
|
+
0
|
|
172
|
+
|
|
173
|
+
0
|
|
174
|
+
|
|
175
|
+
0
|
|
176
|
+
|
|
177
|
+
0
|
|
178
|
+
|
|
179
|
+
0
|
|
180
|
+
|
|
181
|
+
0
|
|
182
|
+
|
|
183
|
+
0
|
|
184
|
+
|
|
185
|
+
0
|
|
186
|
+
|
|
187
|
+
0
|
|
188
|
+
|
|
189
|
+
0
|
|
190
|
+
|
|
191
|
+
0
|
|
192
|
+
|
|
193
|
+
0
|
|
194
|
+
|
|
195
|
+
0
|
|
196
|
+
|
|
197
|
+
0
|
|
198
|
+
|
|
199
|
+
0
|
|
200
|
+
|
|
201
|
+
0
|
|
202
|
+
|
|
203
|
+
0
|
|
204
|
+
|
|
205
|
+
0
|
|
206
|
+
|
|
207
|
+
0
|
|
208
|
+
|
|
209
|
+
0
|
|
210
|
+
|
|
211
|
+
0
|
|
212
|
+
|
|
213
|
+
0
|
|
214
|
+
|
|
215
|
+
0
|
|
216
|
+
|
|
217
|
+
0
|
|
218
|
+
|
|
219
|
+
0
|
|
220
|
+
|
|
221
|
+
0
|
|
222
|
+
|
|
223
|
+
0
|
|
224
|
+
|
|
225
|
+
0
|
|
226
|
+
|
|
227
|
+
0
|
|
228
|
+
|
|
229
|
+
0
|
|
230
|
+
|
|
231
|
+
0
|
|
232
|
+
|
|
233
|
+
0
|
|
234
|
+
|
|
235
|
+
0
|
|
236
|
+
|
|
237
|
+
0
|
|
238
|
+
|
|
239
|
+
0
|
|
240
|
+
|
|
241
|
+
0
|
|
242
|
+
|
|
243
|
+
0
|
|
244
|
+
|
|
245
|
+
0
|
|
246
|
+
|
|
247
|
+
0
|
|
248
|
+
|
|
249
|
+
0
|
|
250
|
+
|
|
251
|
+
|
|
252
|
+
|
|
253
|
+
0
|
|
254
|
+
|
|
255
|
+
|
|
256
|
+
|
|
257
|
+
Settings
|
|
258
|
+
|
|
259
|
+
T
|
|
220
260
|
|
|
221
261
|
|
|
222
262
|
|