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CaptainIT

đếm số lần xuất hiện trong xâu

Jun 19th, 2018
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  1. #include<stdio.h>
  2. #include<string.h>
  3. int main(){
  4. char a[500];
  5. int b[500],c[500];
  6. gets(a);
  7. for(int i=0;i<strlen(a);i++){
  8. b[i]=1;
  9. c[i]=1;
  10. }
  11. for(int i=0;i<strlen(a);i++){
  12. for(int j=i+1;j<=strlen(a);j++){
  13. if(a[i]==a[j]){
  14. b[i]++;
  15. c[j]=0;
  16. }
  17. }
  18. }
  19. for(int i=0;i<strlen(a);i++){
  20. if(c[i]==1){
  21. printf("%c %d\n",a[i],b[i]);
  22. }
  23. }
  24. }
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