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  1. #include<stdio.h>
  2. //#include<string.h>
  3.  
  4. struct data{
  5.   char key;
  6.   struct data *next;
  7. };
  8.  
  9.   int main()
  10.   {
  11.  
  12.     struct data *top;
  13.  
  14.     top = (struct data*)malloc(sizeof(struct data));
  15.     if(top == NULL){printf("メモりが確保できませんでした。\n"); return 1;     }
  16.     top->key = 'a';
  17.     top->next = (struct data*)malloc(sizeof(struct data));
  18.     if(top->next == NULL){printf("メモりが確保できませんでした。\n"); return 1;        }
  19.  
  20.  
  21. //    top = top->next;
  22.     top->next->key = 'b';
  23.     top->next->next = (struct data*)malloc(sizeof(struct data));
  24.     if(top->next->next == NULL){printf("メモりが確保できませんでした。\n"); 
  25.       return 1;     }
  26. //    top = top->next->next;
  27.  
  28.     top->next->next->key = 'c';
  29.     top->next->next->next = NULL;
  30.  
  31.  
  32.  
  33.  
  34.     printf("%c\n", top->key);
  35.     printf("%c\n", top->next->key);
  36.     printf("%c\n", top->next->next->key);
  37.  
  38.  
  39.     return 0;
  40.  
  41.   }
  42.  
Success #stdin #stdout 0.01s 1852KB
comments (?)
stdin
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Standard input is empty
stdout
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a
b
c
https://ideone.com/idf6S
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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