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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. char s[100];
  5.  
  6. scanf("%s", s);
  7.  
  8. for (int i = 0; s[i] != '\0'; i++) {
  9. if (s[i] == '1') {
  10. s[i] = 'I';
  11. }
  12. }
  13.  
  14. printf("%s\n", s);
  15.  
  16. return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5320KB
stdin
1NFORMAT1ON
stdout
INFORMATION