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aryucc
aryucc
Last Activity: Sep 18 '07, 03:11 PM
Joined: Sep 18 '07
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  • aryucc
    replied to #INF00 ocurrs when cal. sum=(n/2)*(2*a+(n-1)*d)
    in C
    that means i have to do it like the followings:

    Code:
    { float sum, n, a, d, l;//n=no of term, a=first term, d=different, l=last term
d=1, a=1, l=100, n=l-a+1;
sum=(n/2)*(2*a+(n-1)*d);  
printf("The sum of the numbers from %f to %f is %f.", a, l, sum);
    right???

    thz so much....
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    • aryucc
      started a topic #INF00 ocurrs when cal. sum=(n/2)*(2*a+(n-1)*d)
      in C

      #INF00 ocurrs when cal. sum=(n/2)*(2*a+(n-1)*d)

      Code:
      #include <stdio.h>
int main()
{ float sum, n, a, d, l;
n=l-a+1, d=1, a=1, l=100;
sum=(n/2)*(2*a+(n-1)*d);  
printf("The sum of the numbers from %f to %f is %f.", a, l, sum);
    
    fflush(stdin);
    printf("\n\nPlease press Enter to continue......");
    getchar ();
    return 0;
}

      it is calculating 1+2+3+...+100=s um...
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