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  1. #include <stdio.h>
  2.  
  3. #define MAXSIZE 100
  4.  
  5. typedef struct
  6. {
  7.     int elem[MAXSIZE];
  8.     int last;
  9. } SqList;
  10.  
  11. /* 顺序表插入 */
  12. SqList insert(SqList v, int i, int x)
  13. {
  14.     int k;
  15.  
  16.     if (i < 1 || i > v.last + 1)
  17.     {
  18.         printf("插入位置错误！\n");
  19.     }
  20.     else if (v.last >= MAXSIZE - 1)
  21.     {
  22.         printf("线性表已满！\n");
  23.     }
  24.     else
  25.     {
  26.         for (k = v.last; k >= i - 1; k--)
  27.         {
  28.             v.elem[k + 1] = v.elem[k];
  29.         }
  30.  
  31.         v.elem[i - 1] = x;
  32.         v.last++;
  33.     }
  34.  
  35.     return v;
  36. }
  37.  
  38. int main()
  39. {
  40.     SqList v;
  41.     int i, j, x;
  42.  
  43.     v.last = 6;
  44.  
  45.     printf("原线性表为：\n");
  46.  
  47.     for (i = 0; i < v.last; i++)
  48.     {
  49.         printf("%d\t", v.elem[i]);
  50.     }
  51.  
  52.     printf("\n请输入插入位置：");
  53.     scanf("%d", &j);
  54.  
  55.     printf("请输入插入元素：");
  56.     scanf("%d", &x);
  57.  
  58.     v = insert(v, j, x);
  59.  
  60.     printf("插入后的线性表为：\n");
  61.  
  62.     for (i = 0; i < v.last; i++)
  63.     {
  64.         printf("%d\t", v.elem[i]);
  65.     }
  66.  
  67.     printf("\n");
  68.  
  69.     return 0;
  70. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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原线性表为：
2	32764	-1125733856	32764	3	0	
请输入插入位置：请输入插入元素：插入位置错误！
插入后的线性表为：
2	32764	-1125733856	32764	3	0
https://ideone.com/6O9x9E
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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