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Jun 23rd, 2018
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  1. #include<stdio.h>
  2. #include<string.h>
  3. int main(){
  4. char name[150];
  5. gets(name);
  6. int n=strlen(name);
  7. char cha[150];
  8. for(int i=0;i<n;i++){
  9. name[i]=tolower(name[i]);
  10. }
  11. for(int i=0;i<n;i++){
  12. for(int j=1;j<n;j++){
  13. if(name[i]==name[j]){
  14. name[j]=0;
  15. }
  16. }
  17. }
  18. for(int i=0;i<n;i++){
  19. if(name[i]==0){
  20. continue;
  21. }
  22. cha[i]=name[i];
  23. }
  24. printf("%s",cha);
  25. }
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