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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     system("cls");
  6.  
  7.     char s[] = "CAO DaNG thai nguyen";
  8.  
  9.  
  10.     //Chuyen ky tu thanh chu in Hoa
  11.     for (int i = 0; s[i] != '\0'; i++)
  12.     {
  13.         if (s[i] != ' ' && (s[i] >= 97 && s[i] <= 122))
  14.             s[i] = s[i] - 32;
  15.     }
  16.         printf("%s", s);
  17.         return 0;
  18.  
  19. }
Success #stdin #stdout #stderr 0s 5280KB
comments (?)
stdin
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Standard input is empty
stdout
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CAO DANG THAI NGUYEN
stderr
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sh: 1: cls: not found
https://ideone.com/x4QNN4
Chuỗi: Chuyển chữ thường thành chữ in Hoa
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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