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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string.h>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8. 	// your code goes here
  9. 	char a[100];
  10. 	int len, i,j;
  11. //	scanf("%s",a);
  12. gets(a);
  13. 	len=strlen(a);
  14. 	printf("%d",len);
  15. 	i=0;
  16. 	j=len-1;
  17. 	while(i<j)
  18. 	{
  19. 		swap(a[i],a[j]);
  20. 		i++;
  21. 		j--;
  22. 	}
  23. 	printf("%s",a);
  24. 	return 0;
  25. }
Compilation error #stdin compilation error #stdout 0s 15240KB
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stdin
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i love you
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:12:7: error: ‘gets’ was not declared in this scope
 gets(a);
       ^
stdout
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Standard output is empty
https://ideone.com/XKbzGu
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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