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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	int val,flag=1;
  6. 	string s;
  7. 	cin>>s;
  8. 	for(int i=0;i<s.length();i++)
  9. 	{
  10. 		val=int(s[i]); // diubah ke kode ASCII
  11. 		if(not((val>=65 and val<=90) or (val>=97 and val<=122))) // kode ASCII untuk huruf: 65 sampai 90 atau 97 sampai 122
  12. 		{
  13. 			cout<<"Input Tidak Valid"<<'\n';
  14. 			flag=0;
  15. 			break;
  16. 		}
  17. 	}
  18. 	if(flag==1) cout<<"Input valid"<<'\n';
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 4396KB
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stdin
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1uashow
stdout
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Input Tidak Valid
https://ideone.com/6cC47r
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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