回答編集履歴
3
ソース追記
test
CHANGED
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@@ -15,3 +15,85 @@
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15
15
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・反転・・・rev_intarray(int *vc, int n)
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16
16
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17
17
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・入れ替え後の表示
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18
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19
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「追記」
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20
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21
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```c
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22
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23
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#include <stdio.h>
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24
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25
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#include <stdlib.h>
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26
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27
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28
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static void rev_intarray(int *vc, int n)
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30
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31
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{
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32
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33
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int *pos = vc + n - 1;
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34
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35
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while (vc < pos) {
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36
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int tmp = *vc;
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38
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*vc++ = *pos;
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40
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*pos-- = tmp;
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42
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}
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44
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}
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46
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47
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48
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49
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int main(void)
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50
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51
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{
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52
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53
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int vc[100];
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54
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55
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for (int i = 0; i < 100; i++) {
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56
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57
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vc[i] = i + 1;
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58
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59
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}
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60
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61
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char str[8];
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62
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63
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fputs("要素数 ?", stdout);
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64
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65
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fgets(str, sizeof str, stdin);
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66
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67
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int n = (int)strtol(str, NULL, 10);
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68
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69
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//
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70
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rev_intarray(vc, n);
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72
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73
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//
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75
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for (int i = 0; i < n; i++) {
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76
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printf("%3d", vc[i]);
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79
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}
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80
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81
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putchar('\n');
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82
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83
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84
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85
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return 0;
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86
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87
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}
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88
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89
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```
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90
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91
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```
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92
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93
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usr ~/Project/test % ./a.out
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95
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要素数 ?20
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96
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97
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20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
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98
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99
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```
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2
誤記修正
test
CHANGED
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@@ -5,8 +5,6 @@
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5
5
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ヒント↓
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6
6
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7
7
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・100個のintの配列を作る・・・vc[100];
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8
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-
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9
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-
・配列を乱数で初期化・・・rand();
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10
8
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11
9
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・要素数を読み込む・・・scanf();→n
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12
10
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1
加筆
test
CHANGED
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@@ -12,6 +12,8 @@
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12
12
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13
13
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・入れ替え前の表示
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14
14
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15
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+
・呼び出し（rev_intarray(vc, n);）
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16
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+
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15
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-
・
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17
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+
・反転・・・rev_intarray(int *vc, int n)
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16
18
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17
19
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・入れ替え後の表示
|