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エラー文の追加
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C言語でキーボードから２０個の点のｘ、ｙ座標を配列ｐに入力させるプログラム
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のコンパイルがエラーになってしまいます。色々な書き方をしてみたのですが点の入力のコードが間違っているのかその他でエラーになっているのかが分からななく手詰まり状態という感じです。
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2
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のコンパイルがエラーになってしまいます。色々な書き方をしてみたのですが点の入力のコードが間違っているのかその他でエラーになっているのかが分からななく手詰まり状態という感じです。エラーの書き忘れ申し訳ないです。
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3
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4
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Main.c:14:8: error: assigning to 'int' from incompatible type 'struct point'
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5
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pivot =p[somewhere];
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6
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^~~~~~~~~~~~~
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7
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Main.c:16:16: error: invalid operands to binary expression ('struct point' and 'int')
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8
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do{ while(p[i]<pivot)i++;
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9
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~~~~^~~~~~
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10
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Main.c:17:16: error: invalid operands to binary expression ('struct point' and 'int')
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11
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while(p[j]>pivot)j--;
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12
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~~~~^~~~~~
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13
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Main.c:19:13: error: assigning to 'int' from incompatible type 'struct point'
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14
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{ temp = p[i];p[i] =p[j];p[j] =temp;
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15
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^ ~~~~
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16
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Main.c:19:36: error: assigning to 'struct point' from incompatible type 'int'
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17
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{ temp = p[i];p[i] =p[j];p[j] =temp;
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18
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^~~~~
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19
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Main.c:24:21: error: member reference base type 'int' is not a structure or union
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20
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quicksort(first.j);/*pivotより小さなデータについてquicksort()を行う*/
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21
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~~~~~^~
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22
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Main.c:39:17: error: use of undeclared identifier 'n'
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23
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for (i =1;i<n;i+ +)
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24
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^
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25
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Main.c:39:23: error: expected expression
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26
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for (i =1;i<n;i+ +)
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27
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^
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28
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Main.c:40:46: warning: '&&' within '||' [-Wlogical-op-parentheses]
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29
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if(p[i].y<p[min].y ||p[i].y==p[min].y&&p[i].x>p[min].x)
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~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
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31
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Main.c:40:46: note: place parentheses around the '&&' expression to silence this warning
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32
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if(p[i].y<p[min].y ||p[i].y==p[min].y&&p[i].x>p[min].x)
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33
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^
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( )
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35
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Main.c:42:22: error: expected expression
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36
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temp =p[0];p[0] =[min];p[min] =temp;/*関数area()を使って1番目以降の点を偏角順にソート*/
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^
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38
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Main.c:44:16: error: use of undeclared identifier 'n'
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39
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for(i =2;i<n;i++)
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40
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^
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41
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Main.c:45:27: error: no member named 'p' in 'struct point'
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42
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{while (area(p[top-1].p[top].p[i])<= 0)
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43
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~~~~~~~~ ^
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44
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Main.c:47:11: warning: misleading indentation; statement is not part of the previous 'while' [-Wmisleading-indentation]
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45
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temp [top];p[top] =p[i];p[i]=temp;
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46
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^
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47
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Main.c:45:6: note: previous statement is here
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48
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{while (area(p[top-1].p[top].p[i])<= 0)
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49
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^
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50
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Main.c:47:16: error: subscripted value is not an array, pointer, or vector
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51
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temp [top];p[top] =p[i];p[i]=temp;
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~~~~ ^~~~
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53
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Main.c:54:1: error: unknown type name 'Void'; did you mean 'void'?
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54
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Void main(void)
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55
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^~~~
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56
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void
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57
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Main.c:54:1: error: 'main' must return 'int'
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58
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Void main(void)
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59
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^~~~
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60
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int
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61
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Main.c:58:47: error: expected expression
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62
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printf("p[%d].y=",i); scanf("%d",&p[i].y);)
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63
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^
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64
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Main.c:62:2: error: expected '}'
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65
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}
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66
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^
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67
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Main.c:55:1: note: to match this '{'
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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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2 warnings and 16 errors generated.
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74
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75
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76
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77
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78
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80
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81
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3
82
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```C
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4
83
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#include<stdio.h>
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5
84
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#include<math.h>
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