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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. while (s[i] != '\0') {
  9. if (s[i] == '1') {
  10. s[i] = 'I';
  11. }
  12. i++;
  13. }
  14. printf("%s\n",s);
  15. return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5304KB
stdin
1NFORMAT1ON
stdout
1NFORMAT1ON
  -> INFORMATION