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Mar 29th, 2015
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  1. #include<stdio.h>
  2. #include <conio.h>
  3. float Tinhtong(int n)
  4. {
  5.     int i;
  6.     float s=0;
  7.     for(i=1;i<=n;i++)  
  8.     {  
  9.         s=s+(float)1/i;
  10.     }
  11.     return s;
  12. }
  13. main()
  14. {
  15.     int n;
  16.     float kq;
  17.     printf("Nhap n");
  18.     scanf("%d",&n);
  19.     kq=Tinhtong(n);
  20.     printf("%f",kq);
  21.     getch();
  22. }
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