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  1.  
  2. #include <iostream>
  3. #include <string.h>
  4. using namespace std;
  5. #define MAX 300
  6. bool check(char s[]){
  7.     for (int i=0;s[i]!='\0';i++) if (s[i]>='0'&&s[i]<='9') return false;
  8.     return true;
  9. }
  10.  
  11.  
  12. int main(){
  13.     char s[MAX];
  14.     cin.getline(s,MAX);
  15.     if (check(s)==false) cout << "CHUOI KHONG HOP LE.";
  16.     else cout << s;
  17.  
  18. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/kBbtXF
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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