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  1. #include <stdio.h>
  2.  
  3. int myStrlen(char s[]){
  4.     int i;
  5.     for(i=0;s[i]!='\0';i++)
  6.         ;
  7.     return i;}
  8.  
  9. int main(void) {
  10.     int i;
  11.     char s[100];
  12.     scanf("%s",s);
  13.     printf("%s\n  -> ",s);
  14.  
  15.     int len = myStrlen(s);
  16.     for(int j=0;j<len;j++){
  17.  
  18.     if(s[j]<65){
  19.         s[j]=73;
  20.     }
  21.  
  22.  
  23.     }
  24.  
  25.  
  26.     printf("%s\n",s);
  27.     return 0;
  28. }
  29.  
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/6sAD1m
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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