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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.  
  10. for (i = 0; s[i] != '\0'; i++) {
  11. if (s[i] == '1') {
  12. s[i] = 'I';
  13. }
  14. }
  15.  
  16. printf("%s\n",s);
  17. return 0;
  18. }
  19.  
Success #stdin #stdout 0s 5320KB
stdin
1NFORMATION
stdout
1NFORMATION
  -> INFORMATION