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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1, const int *data2, int len2);
  4.  
  5. int data1[7] = {1, 2};
  6.  
  7. int main() {
  8.     int data2[5] = {3, 4, 5, 6, 7};
  9.  
  10. 	int len2 = 0;
  11.     for (int i = 0; i < 5; i++) {
  12.         if (data2[i] != 0) 
  13.             len2++;
  14.             else break;
  15.     }
  16.  
  17.     cat_data(data1, data2, len2);
  18.  
  19.     printf("連結後のdata1\n");
  20.     for (int i = 0; i < 7; i++) {
  21.         printf("data1[%d] = %d\n", i, data1[i]);
  22.     }
  23.  
  24.     return 0;
  25. }
  26.  
  27. void cat_data(int *data1, const int *data2, int len2) {
  28.     int i;
  29.  
  30.     int len1 = 0;
  31.  
  32.     for (i = 0; i < 7; i++) {
  33.         if (data1[i] != 0) 
  34.             len1++;
  35.             else break;
  36.     	}
  37.    	int copy_len = 7 - len1;
  38.  
  39.     if (copy_len > len2)
  40.     	copy_len = len2;
  41.  
  42.     for (i = 0; i < copy_len; i++) {
  43.         data1[len1 + i] = data2[i];
  44.     }
  45. }
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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連結後のdata1
data1[0] = 1
data1[1] = 2
data1[2] = 3
data1[3] = 4
data1[4] = 5
data1[5] = 6
data1[6] = 7
https://ideone.com/UA7o2B
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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