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  1. #include <stdio.h>
  2. #include <conio.h>
  3. int main(){
  4.     char ch;
  5.     do {
  6.         ch=getch();
  7.         printf("%c",ch);
  8.         if((ch>='a') && (ch<='z')) ch=ch+'A'-'a';
  9.         if((ch>='A') && (ch<='Z')) putchar(ch);
  10.     }while(ch!='!');
  11.     return 0;
  12. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c:2:10: fatal error: conio.h: No such file or directory
 #include <conio.h>
          ^~~~~~~~~
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/ZoJsYh
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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