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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void){
  5. 	char a[128];
  6. 	char *p, *q, t;
  7. 	int len;
  8.  
  9. 	printf("文字列を入力してください\n");
  10. 	scanf("%127s",a);
  11. 	printf("反転前は\n%sです\n",a);
  12.  
  13. 	len=strlen(a);
  14. 	p = a;
  15. 	q = a + len - 1;
  16. 	while (p < q) {
  17. 		t = *p;
  18. 		*p++ = *q;
  19. 		*q-- = t;
  20. 	}
  21.  
  22. 	printf("反転後は\n%sです\n",a);
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 1724KB
comments (?)
stdin
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hoge
stdout
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文字列を入力してください
反転前は
hogeです
反転後は
egohです
https://ideone.com/ggv3K
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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