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May 2nd, 2016
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  1. #include<stdio.h>
  2. int main()
  3. {
  4. int i,m,L,t,R,k=0,rev;
  5. scanf("%d",&t);
  6. while(t--)
  7. {
  8. scanf("%d %d",&L,&R);
  9. for(i=L;i<=R;i++)
  10. { m=i;
  11. rev=0;
  12. while(m>0)
  13. {
  14. rev=rev*10+m%10;
  15. m/=10;
  16. }
  17. if(rev==i)
  18. k+=rev;
  19. }
  20. printf("%d",k);
  21. }
  22. return 0;
  23. }
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