質問編集履歴
3
書式の改善
test
CHANGED
File without changes
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test
CHANGED
@@ -22,23 +22,23 @@
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{
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struct node *p;
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if (a == NULL)
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return b;
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else if (b == NULL)
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return a;
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for (p = a; p->next != NULL; p = p->next)
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;
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p->next = b;
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return a;
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int pivot;
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struct node *t;
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struct node *l_pivot = NULL;
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struct node *e_pivot = NULL;
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struct node *r_pivot = NULL;
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if (c == NULL || c->next == NULL)
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return c;
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pivot = c->value;
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for (; c != NULL; c = t)
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{
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t = c->next;
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if (c->value < pivot)
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{
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c->next = l_pivot;
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l_pivot = c;
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}
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else if (c->value == pivot)
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{
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c->next = e_pivot;
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e_pivot = c;
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}
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else if (c->value > pivot)
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{
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c->next = r_pivot;
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r_pivot = c;
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}
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}
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l_pivot = quick_sort_list (l_pivot);
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r_pivot = quick_sort_list (r_pivot);
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return concatante (l_pivot, concatante (e_pivot, r_pivot));
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}
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@@ -144,9 +144,9 @@
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{
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int value;
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struct node *next;
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};
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@@ -158,11 +158,11 @@
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{
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for (; p != NULL; p = p->next)
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printf (" %d", p->value);
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printf ("\n");
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}
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@@ -174,49 +174,49 @@
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{
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int list[] = { 1, 3, 7, 4, 2, 6, 5 };
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struct node *nodes = NULL;
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int i;
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for (i = sizeof list / sizeof list[0] - 1; i >= 0; --i)
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{
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struct node *p = malloc (sizeof *p);
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if (p == NULL)
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{
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perror ("malloc");
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exit (EXIT_FAILURE);
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}
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p->value = list[i];
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p->next = nodes;
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nodes = p;
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}
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print_nodes (nodes);
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nodes = quick_sort_list (nodes);
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print_nodes (nodes);
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exit (EXIT_SUCCESS);
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}
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2
文法の修正
test
CHANGED
File without changes
|
test
CHANGED
@@ -1,6 +1,4 @@
|
|
1
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-
|
1
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+
```C言語
|
2
|
-
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3
|
-
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4
2
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5
3
|
#include <stdio.h>
|
6
4
|
|
@@ -10,6 +8,142 @@
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10
8
|
|
11
9
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{
|
12
10
|
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11
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+
int value;
|
12
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+
|
13
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+
struct node *next;
|
14
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+
|
15
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+
};
|
16
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+
|
17
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+
|
18
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+
|
19
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+
static struct node *
|
20
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+
|
21
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+
concatante (struct node *a, struct node *b)
|
22
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+
|
23
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+
{
|
24
|
+
|
25
|
+
__struct node *p;
|
26
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+
|
27
|
+
__if (a == NULL)
|
28
|
+
|
29
|
+
____return b;
|
30
|
+
|
31
|
+
__else if (b == NULL)
|
32
|
+
|
33
|
+
____return a;
|
34
|
+
|
35
|
+
__for (p = a; p->next != NULL; p = p->next)
|
36
|
+
|
37
|
+
____;
|
38
|
+
|
39
|
+
__p->next = b;
|
40
|
+
|
41
|
+
__return a;
|
42
|
+
|
43
|
+
}
|
44
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+
|
45
|
+
|
46
|
+
|
47
|
+
struct node *
|
48
|
+
|
49
|
+
quick_sort_list (struct node *c)
|
50
|
+
|
51
|
+
{
|
52
|
+
|
53
|
+
__int pivot;
|
54
|
+
|
55
|
+
__struct node *t;
|
56
|
+
|
57
|
+
__struct node *l_pivot = NULL;
|
58
|
+
|
59
|
+
__struct node *e_pivot = NULL;
|
60
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+
|
61
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+
__struct node *r_pivot = NULL;
|
62
|
+
|
63
|
+
|
64
|
+
|
65
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+
__if (c == NULL || c->next == NULL)
|
66
|
+
|
67
|
+
____return c;
|
68
|
+
|
69
|
+
|
70
|
+
|
71
|
+
__pivot = c->value;
|
72
|
+
|
73
|
+
|
74
|
+
|
75
|
+
__for (; c != NULL; c = t)
|
76
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+
|
77
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+
____{
|
78
|
+
|
79
|
+
______t = c->next;
|
80
|
+
|
81
|
+
______if (c->value < pivot)
|
82
|
+
|
83
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+
________{
|
84
|
+
|
85
|
+
__________c->next = l_pivot;
|
86
|
+
|
87
|
+
__________l_pivot = c;
|
88
|
+
|
89
|
+
________}
|
90
|
+
|
91
|
+
______else if (c->value == pivot)
|
92
|
+
|
93
|
+
________{
|
94
|
+
|
95
|
+
__________c->next = e_pivot;
|
96
|
+
|
97
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+
__________e_pivot = c;
|
98
|
+
|
99
|
+
________}
|
100
|
+
|
101
|
+
______else if (c->value > pivot)
|
102
|
+
|
103
|
+
________{
|
104
|
+
|
105
|
+
__________c->next = r_pivot;
|
106
|
+
|
107
|
+
__________r_pivot = c;
|
108
|
+
|
109
|
+
________}
|
110
|
+
|
111
|
+
____}
|
112
|
+
|
113
|
+
|
114
|
+
|
115
|
+
__l_pivot = quick_sort_list (l_pivot);
|
116
|
+
|
117
|
+
__r_pivot = quick_sort_list (r_pivot);
|
118
|
+
|
119
|
+
|
120
|
+
|
121
|
+
__return concatante (l_pivot, concatante (e_pivot, r_pivot));
|
122
|
+
|
123
|
+
}
|
124
|
+
|
125
|
+
|
126
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+
|
127
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+
|
128
|
+
|
129
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+
|
130
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+
|
131
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+
|
132
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+
|
133
|
+
#include <stdio.h>
|
134
|
+
|
135
|
+
#include <stdlib.h>
|
136
|
+
|
137
|
+
|
138
|
+
|
139
|
+
struct node *quick_sort_list (struct node *);
|
140
|
+
|
141
|
+
|
142
|
+
|
143
|
+
struct node
|
144
|
+
|
145
|
+
{
|
146
|
+
|
13
147
|
__int value;
|
14
148
|
|
15
149
|
__struct node *next;
|
@@ -18,198 +152,62 @@
|
|
18
152
|
|
19
153
|
|
20
154
|
|
155
|
+
static void
|
156
|
+
|
21
|
-
s
|
157
|
+
print_nodes (struct node *p)
|
22
|
-
|
23
|
-
|
158
|
+
|
24
|
-
|
25
|
-
{
|
159
|
+
{
|
26
|
-
|
27
|
-
|
160
|
+
|
28
|
-
|
29
|
-
__if (a == NULL)
|
30
|
-
|
31
|
-
____return b;
|
32
|
-
|
33
|
-
__else if (b == NULL)
|
34
|
-
|
35
|
-
____return a;
|
36
|
-
|
37
|
-
__for (
|
161
|
+
__for (; p != NULL; p = p->next)
|
38
|
-
|
162
|
+
|
39
|
-
____;
|
163
|
+
____printf (" %d", p->value);
|
40
|
-
|
164
|
+
|
41
|
-
__p
|
165
|
+
__printf ("\n");
|
42
|
-
|
43
|
-
|
166
|
+
|
44
|
-
|
45
|
-
}
|
167
|
+
}
|
168
|
+
|
169
|
+
|
170
|
+
|
46
|
-
|
171
|
+
int
|
47
|
-
|
48
|
-
|
172
|
+
|
49
|
-
|
173
|
+
main ()
|
50
|
-
|
51
|
-
|
174
|
+
|
52
|
-
|
53
|
-
{
|
175
|
+
{
|
54
|
-
|
55
|
-
|
176
|
+
|
56
|
-
|
57
|
-
__st
|
177
|
+
__int list[] = { 1, 3, 7, 4, 2, 6, 5 };
|
58
|
-
|
178
|
+
|
59
|
-
__struct node *
|
179
|
+
__struct node *nodes = NULL;
|
60
|
-
|
61
|
-
|
180
|
+
|
62
|
-
|
63
|
-
__struct node *r_pivot = NULL;
|
64
|
-
|
65
|
-
|
66
|
-
|
67
|
-
__if (c == NULL || c->next == NULL)
|
68
|
-
|
69
|
-
__
|
181
|
+
__int i;
|
70
|
-
|
71
|
-
|
72
|
-
|
73
|
-
|
182
|
+
|
74
|
-
|
75
|
-
|
76
|
-
|
183
|
+
|
184
|
+
|
77
|
-
__for (
|
185
|
+
__for (i = sizeof list / sizeof list[0] - 1; i >= 0; --i)
|
78
186
|
|
79
187
|
____{
|
80
188
|
|
189
|
+
______struct node *p = malloc (sizeof *p);
|
190
|
+
|
81
|
-
______
|
191
|
+
______if (p == NULL)
|
82
|
-
|
83
|
-
|
192
|
+
|
84
|
-
|
85
|
-
________{
|
193
|
+
________{
|
194
|
+
|
86
|
-
|
195
|
+
__________perror ("malloc");
|
196
|
+
|
87
|
-
__________
|
197
|
+
__________exit (EXIT_FAILURE);
|
88
|
-
|
89
|
-
|
198
|
+
|
90
|
-
|
91
|
-
________}
|
199
|
+
________}
|
92
|
-
|
200
|
+
|
93
|
-
______
|
201
|
+
______p->value = list[i];
|
94
|
-
|
95
|
-
|
202
|
+
|
96
|
-
|
97
|
-
______
|
203
|
+
______p->next = nodes;
|
98
|
-
|
204
|
+
|
99
|
-
______
|
205
|
+
______nodes = p;
|
100
|
-
|
101
|
-
________}
|
102
|
-
|
103
|
-
______else if (c->value > pivot)
|
104
|
-
|
105
|
-
________{
|
106
|
-
|
107
|
-
__________c->next = r_pivot;
|
108
|
-
|
109
|
-
__________r_pivot = c;
|
110
|
-
|
111
|
-
________}
|
112
206
|
|
113
207
|
____}
|
114
208
|
|
115
209
|
|
116
210
|
|
117
|
-
__l_pivot = quick_sort_list (l_pivot);
|
118
|
-
|
119
|
-
__r_pivot = quick_sort_list (r_pivot);
|
120
|
-
|
121
|
-
|
122
|
-
|
123
|
-
__return concatante (l_pivot, concatante (e_pivot, r_pivot));
|
124
|
-
|
125
|
-
}
|
126
|
-
|
127
|
-
|
128
|
-
|
129
|
-
|
130
|
-
|
131
|
-
|
132
|
-
|
133
|
-
|
134
|
-
|
135
|
-
/#include <stdio.h>
|
136
|
-
|
137
|
-
/#include <stdlib.h>
|
138
|
-
|
139
|
-
|
140
|
-
|
141
|
-
struct node *quick_sort_list (struct node *);
|
142
|
-
|
143
|
-
|
144
|
-
|
145
|
-
struct node
|
146
|
-
|
147
|
-
{
|
148
|
-
|
149
|
-
__int value;
|
150
|
-
|
151
|
-
__struct node *next;
|
152
|
-
|
153
|
-
};
|
154
|
-
|
155
|
-
|
156
|
-
|
157
|
-
static void
|
158
|
-
|
159
|
-
print_nodes (struct node *p)
|
160
|
-
|
161
|
-
{
|
162
|
-
|
163
|
-
__for (; p != NULL; p = p->next)
|
164
|
-
|
165
|
-
____printf (" %d", p->value);
|
166
|
-
|
167
|
-
__printf ("\n");
|
168
|
-
|
169
|
-
}
|
170
|
-
|
171
|
-
|
172
|
-
|
173
|
-
int
|
174
|
-
|
175
|
-
main ()
|
176
|
-
|
177
|
-
{
|
178
|
-
|
179
|
-
__int list[] = { 1, 3, 7, 4, 2, 6, 5 };
|
180
|
-
|
181
|
-
__struct node *nodes = NULL;
|
182
|
-
|
183
|
-
__int i;
|
184
|
-
|
185
|
-
|
186
|
-
|
187
|
-
__for (i = sizeof list / sizeof list[0] - 1; i >= 0; --i)
|
188
|
-
|
189
|
-
____{
|
190
|
-
|
191
|
-
______struct node *p = malloc (sizeof *p);
|
192
|
-
|
193
|
-
______if (p == NULL)
|
194
|
-
|
195
|
-
________{
|
196
|
-
|
197
|
-
__________perror ("malloc");
|
198
|
-
|
199
|
-
__________exit (EXIT_FAILURE);
|
200
|
-
|
201
|
-
________}
|
202
|
-
|
203
|
-
______p->value = list[i];
|
204
|
-
|
205
|
-
______p->next = nodes;
|
206
|
-
|
207
|
-
______nodes = p;
|
208
|
-
|
209
|
-
____}
|
210
|
-
|
211
|
-
|
212
|
-
|
213
211
|
__print_nodes (nodes);
|
214
212
|
|
215
213
|
__nodes = quick_sort_list (nodes);
|
@@ -222,6 +220,12 @@
|
|
222
220
|
|
223
221
|
}
|
224
222
|
|
223
|
+
```以下のプログラムでわからないところがあります
|
224
|
+
|
225
|
+
|
226
|
+
|
227
|
+
|
228
|
+
|
225
229
|
|
226
230
|
|
227
231
|
クイックソートの際、3つの条件で別々のリストに代入していますが
|
1
プログラム
test
CHANGED
File without changes
|
test
CHANGED
@@ -1,5 +1,7 @@
|
|
1
1
|
以下のプログラムでわからないところがあります
|
2
2
|
|
3
|
+
|
4
|
+
|
3
5
|
#include <stdio.h>
|
4
6
|
|
5
7
|
|
@@ -122,17 +124,17 @@
|
|
122
124
|
|
123
125
|
}
|
124
126
|
|
125
|
-
|
127
|
+
|
126
|
-
|
127
|
-
|
128
|
-
|
129
|
-
|
128
|
+
|
130
|
-
|
131
|
-
|
129
|
+
|
132
|
-
|
130
|
+
|
131
|
+
|
132
|
+
|
133
|
+
|
134
|
+
|
133
|
-
#include <stdio.h>
|
135
|
+
/#include <stdio.h>
|
134
|
-
|
136
|
+
|
135
|
-
#include <stdlib.h>
|
137
|
+
/#include <stdlib.h>
|
136
138
|
|
137
139
|
|
138
140
|
|
@@ -220,7 +222,7 @@
|
|
220
222
|
|
221
223
|
}
|
222
224
|
|
223
|
-
|
225
|
+
|
224
226
|
|
225
227
|
クイックソートの際、3つの条件で別々のリストに代入していますが
|
226
228
|
|