回答編集履歴
7
変更
test
CHANGED
@@ -40,7 +40,7 @@
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40
40
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41
41
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}
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42
42
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43
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-
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43
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+
*str=*p;
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44
44
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45
45
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46
46
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@@ -56,7 +56,7 @@
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56
56
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57
57
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printf("%s\n",str);
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58
58
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59
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-
rev(str,
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59
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+
rev(str, strlen(str));
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60
60
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61
61
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printf("%s\n",str);
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62
62
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6
変更
test
CHANGED
@@ -1,4 +1,4 @@
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1
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-
最後の
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1
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+
while文の最後の部分を修正しました。
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2
2
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3
3
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```c
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4
4
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@@ -14,9 +14,7 @@
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14
14
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15
15
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16
16
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17
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-
char *p
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17
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+
char *p=(char*)malloc(sizeof(char)*(n+1));
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18
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-
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19
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-
char *p=pp;
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20
18
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21
19
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22
20
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@@ -32,7 +30,7 @@
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32
30
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33
31
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34
32
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35
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-
while(*(str)!='\0'){
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33
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+
while(*(str+1)!='\0'){
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36
34
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37
35
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*str=*p;
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38
36
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@@ -42,7 +40,11 @@
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42
40
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43
41
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}
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44
42
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43
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+
*str=*p;
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44
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+
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45
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+
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46
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+
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45
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-
free(p
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47
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+
free(p);
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46
48
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47
49
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}
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48
50
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5
追加
test
CHANGED
@@ -61,3 +61,51 @@
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61
61
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}
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62
62
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63
63
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```
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64
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+
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65
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+
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66
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+
|
67
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+
malloc使わないサンプル
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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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+
#include <stdio.h>
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72
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+
|
73
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+
#include <string.h>
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74
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+
|
75
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+
void rev(char *str,int n)
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76
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+
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77
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{
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78
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+
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79
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+
|
80
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+
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81
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+
int i;
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82
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+
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83
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+
char c;
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84
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+
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85
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+
for (i=0;i<n/2;i++){
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86
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+
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87
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+
c=*(str+i);
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88
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+
|
89
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+
*(str+i)=*(str+n-i-1);
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90
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+
|
91
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+
*(str+n-i-1)=c;
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92
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+
|
93
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+
}
|
94
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+
|
95
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+
}
|
96
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+
|
97
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+
|
98
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+
|
99
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+
void main(void){
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100
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+
|
101
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+
char str[40]={"abcdefghijklmnopqrstuvwxyz"};
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102
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+
|
103
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+
printf("%s\n",str);
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104
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+
|
105
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+
rev(str, strlen(str));
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106
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+
|
107
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+
printf("%s\n",str);
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108
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+
|
109
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+
}
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110
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+
|
111
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+
```
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4
変更
test
CHANGED
@@ -50,7 +50,7 @@
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50
50
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51
51
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void main(void){
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52
52
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|
53
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-
char str[40]={"abcdefghijkln
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53
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+
char str[40]={"abcdefghijklmnopqrstuvwxyz"};
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54
54
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55
55
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printf("%s\n",str);
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56
56
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3
変更
test
CHANGED
@@ -50,13 +50,13 @@
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50
50
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51
51
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void main(void){
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52
52
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|
53
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-
|
53
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+
char str[40]={"abcdefghijklnmopqrstuvwxyz"};
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54
54
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55
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-
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55
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+
printf("%s\n",str);
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56
56
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|
57
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-
|
57
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+
rev(str, 26);
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58
58
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|
59
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-
|
59
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+
printf("%s\n",str);
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60
60
|
|
61
61
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}
|
62
62
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2
変更
test
CHANGED
@@ -54,7 +54,7 @@
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|
54
54
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|
55
55
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printf("%s\n",str);
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56
56
|
|
57
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-
rev(str,
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57
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+
rev(str, 26);
|
58
58
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|
59
59
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printf("%s\n",str);
|
60
60
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1
変更
test
CHANGED
@@ -1,4 +1,4 @@
|
|
1
|
-
最後の文字の部分
|
1
|
+
最後の文字の部分とfreeを修正してみました。
|
2
2
|
|
3
3
|
```c
|
4
4
|
|
@@ -14,7 +14,9 @@
|
|
14
14
|
|
15
15
|
|
16
16
|
|
17
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-
char *p=(char*)malloc(sizeof(char)*(n+1));
|
17
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+
char *pp=(char*)malloc(sizeof(char)*(n+1));
|
18
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+
|
19
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+
char *p=pp;
|
18
20
|
|
19
21
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|
20
22
|
|
@@ -30,7 +32,7 @@
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|
30
32
|
|
31
33
|
|
32
34
|
|
33
|
-
while(*(str
|
35
|
+
while(*(str)!='\0'){
|
34
36
|
|
35
37
|
*str=*p;
|
36
38
|
|
@@ -40,9 +42,7 @@
|
|
40
42
|
|
41
43
|
}
|
42
44
|
|
43
|
-
*str=*p;
|
44
|
-
|
45
|
-
free(p);
|
45
|
+
free(pp);
|
46
46
|
|
47
47
|
}
|
48
48
|
|
@@ -50,13 +50,13 @@
|
|
50
50
|
|
51
51
|
void main(void){
|
52
52
|
|
53
|
-
char str[40]={"abcdefghijklnmopqrstuvwxyz"};
|
53
|
+
char str[40]={"abcdefghijklnmopqrstuvwxyz"};
|
54
54
|
|
55
|
-
printf("%s\n",str);
|
55
|
+
printf("%s\n",str);
|
56
56
|
|
57
|
-
rev(str,
|
57
|
+
rev(str, 40);
|
58
58
|
|
59
|
-
printf("%s\n",str);
|
59
|
+
printf("%s\n",str);
|
60
60
|
|
61
61
|
}
|
62
62
|
|