回答編集履歴
3
微修正
answer
CHANGED
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@@ -70,7 +70,7 @@
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70
70
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std::sort((point*)data, (point*)data+5*7,
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71
71
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[](const point& a, const point& b) {
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72
72
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return a.hori_angle < b.hori_angle ||
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73
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-
(!(
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73
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+
(!(b.hori_angle < a.hori_angle ) && a.vertical_angle < b.vertical_angle);
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74
74
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});
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75
75
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76
76
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// できたかな?
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2
追記
answer
CHANGED
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@@ -53,4 +53,32 @@
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53
53
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std::cout << std::endl;
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54
54
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}
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55
55
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}
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56
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+
```
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57
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+
[追記] 第三版
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58
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+
```C++
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59
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+
#include <iostream>
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60
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+
#include <algorithm>
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61
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+
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62
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+
class point {
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63
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public:
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64
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+
double hori_angle; //xy平面上でのx軸と点の角度（以下、水平角）
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65
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+
double vertical_angle; //xy平面と点のなす角度（以下、垂直角）
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66
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+
};
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67
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+
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68
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+
int main() {
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69
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+
point data[5][7] = { ... };
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70
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+
std::sort((point*)data, (point*)data+5*7,
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71
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+
[](const point& a, const point& b) {
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72
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+
return a.hori_angle < b.hori_angle ||
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73
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+
(!(a.hori_angle < b.hori_angle ) && a.vertical_angle < b.vertical_angle);
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74
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+
});
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75
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+
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76
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+
// できたかな?
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77
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+
for ( int row = 0; row < 5; ++row ) {
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78
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+
for ( int col = 0; col < 7; ++col ) {
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79
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std::cout << data[row][col].hori_ange << ',' << data[row][col].vertical_angle << ' ';
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80
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+
}
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81
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+
std::cout << std::endl;
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82
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+
}
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83
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+
}
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56
84
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```
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1
追記
answer
CHANGED
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@@ -21,4 +21,36 @@
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21
21
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std::cout << std::endl;
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22
22
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}
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23
23
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}
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24
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+
```
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25
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+
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26
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+
[追記] 第二版
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27
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+
```C++
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28
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+
#include <iostream>
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29
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+
#include <algorithm>
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30
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+
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31
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+
class point {
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32
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public:
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33
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+
int angle;
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34
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+
point(int a) : angle(a) {};
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35
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+
};
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36
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+
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37
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+
int main() {
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38
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+
point data[5][7] = {
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39
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+
{ 0, 0, 0, 1, 2, 0, 0 },
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40
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+
{ 1, 3, 2, 1, 0, 4, 3 },
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41
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+
{ 0, 1, 1, 4, 1, 1, 4 },
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42
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+
{ 2, 2, 4, 3, 2, 3, 2 },
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43
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+
{ 2, 3, 4, 4, 3, 3, 4 },
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44
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+
};
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45
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+
std::sort((point*)data, (point*)data+5*7,
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46
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+
[](const point& a, const point& b) { return a.angle < b.angle; });
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47
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+
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48
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+
// できたかな?
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49
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+
for ( int row = 0; row < 5; ++row ) {
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50
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+
for ( int col = 0; col < 7; ++col ) {
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51
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std::cout << data[row][col].angle << ' ';
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52
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+
}
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53
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+
std::cout << std::endl;
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54
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+
}
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55
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+
}
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24
56
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```
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