回答編集履歴
4
ソース修正
test
CHANGED
|
@@ -66,7 +66,7 @@
|
|
|
66
66
|
|
|
67
67
|
int siz;
|
|
68
68
|
|
|
69
|
-
c
|
|
69
|
+
int col[11];
|
|
70
70
|
|
|
71
71
|
public:
|
|
72
72
|
|
|
@@ -76,11 +76,9 @@
|
|
|
76
76
|
|
|
77
77
|
do{
|
|
78
78
|
|
|
79
|
-
|
|
79
|
+
col[inx++]= v%10;
|
|
80
80
|
|
|
81
81
|
}while(v/=10);
|
|
82
|
-
|
|
83
|
-
str[inx]= '\0';
|
|
84
82
|
|
|
85
83
|
siz= inx-1;
|
|
86
84
|
|
|
@@ -88,7 +86,7 @@
|
|
|
88
86
|
|
|
89
87
|
|
|
90
88
|
|
|
91
|
-
int operator[](int p)const{ return
|
|
89
|
+
int operator[](int p)const{ return col[siz-p]; }
|
|
92
90
|
|
|
93
91
|
};
|
|
94
92
|
|
3
ソース追記
test
CHANGED
|
@@ -45,3 +45,81 @@
|
|
|
45
45
|
usr~/test/cpp %
|
|
46
46
|
|
|
47
47
|
```
|
|
48
|
+
|
|
49
|
+
[intの桁指定？]
|
|
50
|
+
|
|
51
|
+
```c++
|
|
52
|
+
|
|
53
|
+
usr~/test/cpp % cat tcp.cpp
|
|
54
|
+
|
|
55
|
+
//
|
|
56
|
+
|
|
57
|
+
#include <iostream>
|
|
58
|
+
|
|
59
|
+
using namespace std;
|
|
60
|
+
|
|
61
|
+
//
|
|
62
|
+
|
|
63
|
+
class Int{
|
|
64
|
+
|
|
65
|
+
int val;
|
|
66
|
+
|
|
67
|
+
int siz;
|
|
68
|
+
|
|
69
|
+
char str[11];
|
|
70
|
+
|
|
71
|
+
public:
|
|
72
|
+
|
|
73
|
+
Int(int v):val(v),siz(0){
|
|
74
|
+
|
|
75
|
+
int inx=0;
|
|
76
|
+
|
|
77
|
+
do{
|
|
78
|
+
|
|
79
|
+
str[inx++]= "0123456789"[v%10];
|
|
80
|
+
|
|
81
|
+
}while(v/=10);
|
|
82
|
+
|
|
83
|
+
str[inx]= '\0';
|
|
84
|
+
|
|
85
|
+
siz= inx-1;
|
|
86
|
+
|
|
87
|
+
}
|
|
88
|
+
|
|
89
|
+
|
|
90
|
+
|
|
91
|
+
int operator[](int p)const{ return str[siz-p] & 0x0F;}
|
|
92
|
+
|
|
93
|
+
};
|
|
94
|
+
|
|
95
|
+
|
|
96
|
+
|
|
97
|
+
int main()
|
|
98
|
+
|
|
99
|
+
{
|
|
100
|
+
|
|
101
|
+
int v= 123456;
|
|
102
|
+
|
|
103
|
+
//
|
|
104
|
+
|
|
105
|
+
Int s(v);
|
|
106
|
+
|
|
107
|
+
//
|
|
108
|
+
|
|
109
|
+
cout << s[4] << " " << s[2] << endl;
|
|
110
|
+
|
|
111
|
+
|
|
112
|
+
|
|
113
|
+
return 0;
|
|
114
|
+
|
|
115
|
+
}
|
|
116
|
+
|
|
117
|
+
|
|
118
|
+
|
|
119
|
+
usr~/test/cpp % ./a.out
|
|
120
|
+
|
|
121
|
+
5 3
|
|
122
|
+
|
|
123
|
+
usr~/test/cpp %
|
|
124
|
+
|
|
125
|
+
```
|
2
追記
test
CHANGED
|
@@ -3,3 +3,45 @@
|
|
|
3
3
|
~~また、整数をstringにしているようですがなぜ小数点'.'が出てくるのか？？~~
|
|
4
4
|
|
|
5
5
|
・・・申し訳ないですが、LやHなど意味不明（私には）変数名なので、見る気が起きません。
|
|
6
|
+
|
|
7
|
+
[追記]
|
|
8
|
+
|
|
9
|
+
とりあえず動かしてみましたが、ヒントになりますか？
|
|
10
|
+
|
|
11
|
+
```txt
|
|
12
|
+
|
|
13
|
+
usr~/test/cpp % ./tcp
|
|
14
|
+
|
|
15
|
+
5
|
|
16
|
+
|
|
17
|
+
5
|
|
18
|
+
|
|
19
|
+
12345
|
|
20
|
+
|
|
21
|
+
12345
|
|
22
|
+
|
|
23
|
+
2
|
|
24
|
+
|
|
25
|
+
terminate called after throwing an instance of 'std::out_of_range'
|
|
26
|
+
|
|
27
|
+
what(): basic_string::at: __n (which is 1) >= this->size() (which is 1)
|
|
28
|
+
|
|
29
|
+
Abort (core dumped)
|
|
30
|
+
|
|
31
|
+
usr~/test/cpp % ./tcp
|
|
32
|
+
|
|
33
|
+
5
|
|
34
|
+
|
|
35
|
+
5
|
|
36
|
+
|
|
37
|
+
123.45
|
|
38
|
+
|
|
39
|
+
terminate called after throwing an instance of 'std::out_of_range'
|
|
40
|
+
|
|
41
|
+
what(): basic_string::at: __n (which is 3) >= this->size() (which is 1)
|
|
42
|
+
|
|
43
|
+
123Abort (core dumped)
|
|
44
|
+
|
|
45
|
+
usr~/test/cpp %
|
|
46
|
+
|
|
47
|
+
```
|
1
誤記修正
test
CHANGED
|
@@ -1,5 +1,5 @@
|
|
|
1
1
|
たぶんstr1.at()がout_of_rangeを発生しているのだと思いますが、デバッガで追いかけられませんか？
|
|
2
2
|
|
|
3
|
-
また、整数をstringにしているようですがなぜ小数点'.'が出てくるのか？？
|
|
3
|
+
~~また、整数をstringにしているようですがなぜ小数点'.'が出てくるのか？？~~
|
|
4
4
|
|
|
5
5
|
・・・申し訳ないですが、LやHなど意味不明（私には）変数名なので、見る気が起きません。
|