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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. for(int i=0; i<strlen(s); i++){
  10. if(s[i] == '1'){
  11. s[i] = 'I';
  12. }
  13. }printf("%s\n",s);
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5308KB
stdin
1NFORMAT1ON
stdout
1NFORMAT1ON
  -> INFORMATION