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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. char change = 'I';
  9. int n;
  10. for(n=0;s[n]!='\0';n++){;}
  11. for(i=0;i<n;i++){
  12. if(s[i]=='1'){
  13. s[i]=change;
  14. }
  15. }
  16.  
  17. printf("%s\n",s);
  18. return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5320KB
stdin
1NFORMAT1ON
stdout
1NFORMAT1ON
  -> INFORMATION