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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <cstring>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int a;
  8. 	char s[105];
  9. 	a=0;
  10. 	scanf("%s", s);
  11. 	for(int i=0; i<strlen(s); i++) if(s[i]<91) a++;
  12. 	if(s[0]>96 && a==strlen(s)-1) {
  13. 		printf("%c", s[0]-32);
  14. 		for(int i=1; i<strlen(s); i++) printf("%c", s[i]+32);
  15. 	}
  16. 	else if(a==strlen(s)) for(int i=0; i<strlen(s); i++) printf("%c", s[i]+32);
  17. 	else printf("%s", s);
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 3344KB
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https://ideone.com/ti8FJu
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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