回答編集履歴
2
C++コード修正
test
CHANGED
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@@ -118,7 +118,7 @@
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118
118
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119
119
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int num = 0;
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120
120
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121
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-
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121
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+
Staff *staff = NULL;
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122
122
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123
123
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124
124
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@@ -142,7 +142,7 @@
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142
142
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143
143
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144
144
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145
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-
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145
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+
StaffList stafflist;
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146
146
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147
147
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stafflist.add("akai");
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148
148
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1
C++の例を追記
test
CHANGED
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@@ -89,3 +89,83 @@
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89
89
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}
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90
90
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91
91
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```
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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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+
ちょっと脱線しますが、C++だとこんな書き方ができます。
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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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+
```c++
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100
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+
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101
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+
#include <stdio.h>
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102
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+
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103
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+
#include <stdlib.h>
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104
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+
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105
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+
#include <string.h>
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106
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+
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107
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+
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108
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+
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109
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+
struct Staff {
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110
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+
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111
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+
char name[64];
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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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+
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115
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+
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116
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+
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117
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+
struct StaffList {
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118
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+
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119
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+
int num = 0;
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120
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+
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121
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+
struct Staff *staff = NULL;
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122
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+
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123
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+
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124
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+
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125
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+
void add(const char *name) {
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126
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+
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127
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+
staff = (Staff *)reallocarray(staff, sizeof(Staff), num + 1);
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128
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+
|
|
129
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+
strncpy(staff[num].name, name, sizeof(staff[num].name) - 1);
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130
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+
|
|
131
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+
num++;
|
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132
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+
|
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133
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+
}
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134
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+
|
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135
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+
};
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136
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+
|
|
137
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+
|
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138
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+
|
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139
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+
int main(void) {
|
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140
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+
|
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141
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+
printf("start\n");
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142
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+
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143
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+
|
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144
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+
|
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145
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+
struct StaffList stafflist;
|
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146
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+
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147
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+
stafflist.add("akai");
|
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148
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+
|
|
149
|
+
stafflist.add("aoi");
|
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150
|
+
|
|
151
|
+
stafflist.add("hogehoge");
|
|
152
|
+
|
|
153
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+
|
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154
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+
|
|
155
|
+
printf("result\n");
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156
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+
|
|
157
|
+
for(int i = 0; i < stafflist.num; i++) {
|
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158
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+
|
|
159
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+
printf("No %d, %s\n", i+1, stafflist.staff[i].name);
|
|
160
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+
|
|
161
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+
}
|
|
162
|
+
|
|
163
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+
|
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164
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+
|
|
165
|
+
printf("end\n");
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166
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+
|
|
167
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+
return 0;
|
|
168
|
+
|
|
169
|
+
}
|
|
170
|
+
|
|
171
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+
```
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