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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. #define N 3
  6.  
  7. int main(void) {
  8.   char buffer[2048];
  9.   puts("a, b, cの入力 : ");
  10.   scanf("%2047[^\n]%*[^\n]", buffer);
  11.   getchar();
  12.   char* delim = ", ";
  13.   char* token = strtok(buffer, delim);
  14.   char* row[N * 2] = {NULL};
  15.   row[0] = row[N] = token;
  16.   for (int i = 1; i < N; i++) {
  17.     token = strtok(NULL, delim);
  18.     if (token == NULL) {
  19.       goto END;
  20.     }
  21.     row[i] = row[N + i] = token;
  22.   }
  23.   for (int i = 0; i < N; i++) {
  24.     printf("%s %s %s\n", row[i], row[1 + i], row[2 + i]);
  25.   }
  26.  END:
  27.   return EXIT_SUCCESS;
  28. }
  29.  
Success #stdin #stdout 0s 5348KB
comments (?)
stdin
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1, 2, 3
stdout
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a, b, cの入力 : 
1 2 3
2 3 1
3 1 2
https://ideone.com/oBpkn1
language:
C (gcc 8.3)
created:
1 year ago
visibility:
secret

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