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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3.  
  4. char toLower(char n){
  5.     char m=' ';
  6.     if(n>='A'&&n<='Z'){
  7.         m=n-'A'+'a';
  8.         return m;
  9.     }
  10.     else
  11.         return n;
  12. }
  13.  
  14. int main(){
  15.     int i=0;
  16.     char ch,chmod,chFirst=' ',chLast=' ';
  17.     scanf(" %c",&ch);
  18.     while(ch!='!'){
  19.         chmod=toLower(ch);
  20.         if(chmod!=ch){
  21.             chLast=chmod;
  22.             i++;
  23.               if(i==1)
  24.             chFirst=chmod;
  25.         }
  26.  
  27.  
  28.         scanf("%c",&ch);
  29.     }
  30.     if(i==1)
  31.         chFirst=chLast;
  32.  
  33.     printf("%c%c",chFirst,chLast);
  34.  
  35.  
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 2056KB
comments (?)
stdin
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Mdsfisjf98948*3jkfHf9059,353953,^+%^+%!
stdout
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mh
https://ideone.com/QZxcu1
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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