回答編集履歴
4
ソース修正
answer
CHANGED
|
@@ -16,9 +16,13 @@
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|
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16
16
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int index = 0;
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17
17
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while (*cptr) {
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18
18
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// 英字以外をスキップ
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|
19
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-
while (!isalpha(*cptr)) {
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19
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+
while (!isalpha(*cptr) && *cptr) {
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20
20
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cptr++;
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21
21
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}
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22
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+
// 終端の時は終了
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23
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+
if (*cptr == '\0') {
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24
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+
break;
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|
25
|
+
}
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22
26
|
// 英字だけをコピー
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23
27
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char *dptr = buf[index];
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24
28
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while (isalpha(*cptr)) {
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@@ -28,7 +32,6 @@
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28
32
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index++;
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29
33
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}
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30
34
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//
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31
|
-
index--; // 行き過ぎた分を戻す
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32
35
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for (int i = 0; i < index; i++) {
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33
36
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printf("str[%d] : [%s]\n", i, buf[i]);
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34
37
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}
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3
ソース修正
answer
CHANGED
|
@@ -30,7 +30,7 @@
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30
30
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//
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31
31
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index--; // 行き過ぎた分を戻す
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32
32
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for (int i = 0; i < index; i++) {
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33
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-
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|
33
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+
printf("str[%d] : [%s]\n", i, buf[i]);
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34
34
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}
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|
35
35
|
//
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|
36
36
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return 0;
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@@ -38,18 +38,16 @@
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38
38
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```
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|
39
39
|
実行結果
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|
40
40
|
```text
|
|
41
|
-
usr ~/Project/test % cc c6.c
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42
41
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usr ~/Project/test % ./a.out
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43
|
-
It
|
|
42
|
+
str[0] : [It]
|
|
44
|
-
is
|
|
43
|
+
str[1] : [is]
|
|
45
|
-
good
|
|
44
|
+
str[2] : [good]
|
|
46
|
-
to
|
|
45
|
+
str[3] : [to]
|
|
47
|
-
see
|
|
46
|
+
str[4] : [see]
|
|
48
|
-
you
|
|
47
|
+
str[5] : [you]
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|
49
|
-
Thank
|
|
48
|
+
str[6] : [Thank]
|
|
50
|
-
you
|
|
49
|
+
str[7] : [you]
|
|
51
|
-
for
|
|
50
|
+
str[8] : [for]
|
|
52
|
-
coming
|
|
51
|
+
str[9] : [coming]
|
|
53
52
|
usr ~/Project/test %
|
|
54
|
-
|
|
55
53
|
```
|
2
誤記修正
answer
CHANGED
|
@@ -15,7 +15,7 @@
|
|
|
15
15
|
char buf[128][32]; // 数字は適当
|
|
16
16
|
int index = 0;
|
|
17
17
|
while (*cptr) {
|
|
18
|
-
//
|
|
18
|
+
// 英字以外をスキップ
|
|
19
19
|
while (!isalpha(*cptr)) {
|
|
20
20
|
cptr++;
|
|
21
21
|
}
|
1
ソース追記
answer
CHANGED
|
@@ -1,3 +1,55 @@
|
|
|
1
1
|
時間がないのでヒントだけ。
|
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2
2
|
単語を判定するには、ctype.hをincludeしてisalnumで判断しましょう。
|
|
3
|
-
[ctype.h](http://www.c-tipsref.com/reference/ctype.html)
|
|
3
|
+
[ctype.h](http://www.c-tipsref.com/reference/ctype.html)
|
|
4
|
+
「追記」・・・遅くなりましたがｗ
|
|
5
|
+
```c
|
|
6
|
+
#include <stdio.h>
|
|
7
|
+
#include <ctype.h>
|
|
8
|
+
|
|
9
|
+
int main(void)
|
|
10
|
+
{
|
|
11
|
+
const char text[] = "It is good to see you. Thank you for coming.";
|
|
12
|
+
//
|
|
13
|
+
const char *cptr = text;
|
|
14
|
+
//
|
|
15
|
+
char buf[128][32]; // 数字は適当
|
|
16
|
+
int index = 0;
|
|
17
|
+
while (*cptr) {
|
|
18
|
+
// 空白をスキップ
|
|
19
|
+
while (!isalpha(*cptr)) {
|
|
20
|
+
cptr++;
|
|
21
|
+
}
|
|
22
|
+
// 英字だけをコピー
|
|
23
|
+
char *dptr = buf[index];
|
|
24
|
+
while (isalpha(*cptr)) {
|
|
25
|
+
*dptr++ = *cptr++;
|
|
26
|
+
}
|
|
27
|
+
*dptr = '\0'; // 行末
|
|
28
|
+
index++;
|
|
29
|
+
}
|
|
30
|
+
//
|
|
31
|
+
index--; // 行き過ぎた分を戻す
|
|
32
|
+
for (int i = 0; i < index; i++) {
|
|
33
|
+
puts(buf[i]);
|
|
34
|
+
}
|
|
35
|
+
//
|
|
36
|
+
return 0;
|
|
37
|
+
}
|
|
38
|
+
```
|
|
39
|
+
実行結果
|
|
40
|
+
```text
|
|
41
|
+
usr ~/Project/test % cc c6.c
|
|
42
|
+
usr ~/Project/test % ./a.out
|
|
43
|
+
It
|
|
44
|
+
is
|
|
45
|
+
good
|
|
46
|
+
to
|
|
47
|
+
see
|
|
48
|
+
you
|
|
49
|
+
Thank
|
|
50
|
+
you
|
|
51
|
+
for
|
|
52
|
+
coming
|
|
53
|
+
usr ~/Project/test %
|
|
54
|
+
|
|
55
|
+
```
|