回答編集履歴
2
修正
test
CHANGED
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@@ -74,7 +74,7 @@
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74
74
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75
75
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while (1) {
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76
76
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77
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-
char* s = fgets(line, N, fp);
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77
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+
char* s = fgets(line, N - 1, fp);
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78
78
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79
79
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if (s == NULL) {
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80
80
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@@ -98,7 +98,7 @@
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98
98
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99
99
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printf("Input a words: ");
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100
100
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101
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-
fgets(input, N, stdin);
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101
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+
fgets(input, N - 1, stdin);
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102
102
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103
103
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p = strchr(input, '\n');
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104
104
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1
追記
test
CHANGED
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@@ -27,3 +27,107 @@
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27
27
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> 全行を読み込んだ場合、又はエラー時にNULL(\0)を返す。
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28
28
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29
29
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> ...
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30
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+
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31
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+
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32
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+
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33
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+
追記：
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34
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+
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35
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+
変更例を示します。
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36
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+
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37
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(動作は質問文コードとは一致していませんが、ファイルからの読み込み、キーボードからの入力、改行コードの削除は動作しています)
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38
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+
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39
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+
```c
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40
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+
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41
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+
#include<stdio.h>
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42
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+
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43
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+
#include<stdlib.h>
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44
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+
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45
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+
#include<string.h>
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46
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+
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47
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+
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48
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+
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49
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+
#define N (100)
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50
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+
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51
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+
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52
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+
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53
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+
int main() {
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54
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+
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55
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FILE *fp;
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56
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+
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57
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char line[N], input[N];
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58
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+
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59
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char *p;
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60
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+
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61
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+
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62
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+
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63
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if ((fp =fopen("words.txt", "r")) == NULL) {
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64
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+
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65
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printf("can not open words.txt\n");
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66
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+
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67
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exit(1);
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68
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+
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69
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+
}
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70
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+
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71
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+
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72
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+
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73
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+
// 文字列を比較する
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74
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+
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75
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+
while (1) {
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76
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+
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77
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+
char* s = fgets(line, N, fp);
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78
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+
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79
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+
if (s == NULL) {
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80
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+
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81
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break;
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82
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+
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83
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+
}
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84
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+
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85
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+
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86
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+
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87
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+
p = strchr(line, '\n');
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88
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+
|
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89
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+
if(p != NULL) {
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90
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+
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91
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+
*p = '\0';
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92
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+
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93
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+
}
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94
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+
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95
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printf("[%s]\n", line);
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96
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+
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97
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+
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98
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+
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99
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printf("Input a words: ");
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100
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+
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101
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+
fgets(input, N, stdin);
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102
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+
|
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103
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+
p = strchr(input, '\n');
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104
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+
|
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105
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+
if(p != NULL) {
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106
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+
|
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107
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*p = '\0';
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108
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+
|
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109
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}
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110
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+
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111
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// printf("[%s]\n", input);
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112
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+
|
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113
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+
|
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114
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+
|
|
115
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+
if (strcmp(line, input) == 0) {
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116
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+
|
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117
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+
printf("'%s' == '%s'\n", line, input);
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118
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+
|
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119
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} else {
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120
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+
|
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121
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printf("'%s' != '%s'\n", line, input);
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122
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+
|
|
123
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+
}
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|
124
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+
|
|
125
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+
}
|
|
126
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+
|
|
127
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+
fclose(fp);
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|
128
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+
|
|
129
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+
return 0;
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|
130
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+
|
|
131
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+
}
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|
132
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+
|
|
133
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+
```
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