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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i;
  5. char s[100];
  6. scanf("%s",s);
  7. printf("%s\n -> ",s);
  8.  
  9. i = 0;
  10. while(s[i] != '\0'){
  11. if(s[i] == '1'){
  12. s[i] = 'I';
  13. }
  14. i++;
  15. }
  16.  
  17.  
  18.  
  19. printf("%s\n",s);
  20. return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5308KB
stdin
1NFORMAT1ON
stdout
1NFORMAT1ON
  -> INFORMATION