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  1. #include<stdio.h>
  2. #include<string.h>
  3. int main()
  4. {
  5.     char color_1[][32] = { "white", "red", "green", "blue" };
  6.     char color_2[][32] = { "yellow", "red", "black" };
  7.     #define N1  (sizeof(color_1)/sizeof(color_1[0]))
  8.     #define N2  (sizeof(color_2)/sizeof(color_2[0]))
  9.     char color_m[N1 + N2][32];
  10.     int i, j, k;
  11.  
  12.     /* copy */
  13.     j = 0;
  14.     for (i = 0; i < N1; i++) {
  15.         for (k = 0; k < j; k++)
  16.             if (0 == strcmp(color_m[k], color_1[i]))
  17.                 break;
  18.         if (k == j) {
  19.             strcpy(color_m[j], color_1[i]);
  20.             j++;
  21.         }
  22.     }
  23.     for (i = 0; i < N2; i++) {
  24.         for (k = 0; k < j; k++)
  25.             if (0 == strcmp(color_m[k], color_2[i]))
  26.                 break;
  27.         if (k == j) {
  28.             strcpy(color_m[j], color_2[i]);
  29.             j++;
  30.         }
  31.     }
  32.  
  33.     /* print */
  34.     printf("color_1 : %d個\n  ", N1);
  35.     for (i = 0; i < N1; i++)
  36.         printf("%s ", color_1[i]);
  37.     printf("\n");
  38.     printf("color_2 : %d個\n  ", N2);
  39.     for (i = 0; i < N2; i++)
  40.         printf("%s ", color_2[i]);
  41.     printf("\n");
  42.     printf("color_m : %d個\n  ", j);
  43.     for (i = 0; i < j; i++)
  44.         printf("%s ", color_m[i]);
  45.     printf("\n");
  46.  
  47.     return 0;
  48. }
  49.  
Success #stdin #stdout 0s 2112KB
comments (?)
stdin 
Standard input is empty
stdout 
color_1 : 4個
  white red green blue 
color_2 : 3個
  yellow red black 
color_m : 6個
  white red green blue yellow black
https://ideone.com/HqWfzZ
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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