Thursday, May 10, 2012

Expression Evaluation: Sum from 1 to 100 or any number

Hello Guys!!! How are you, all? Hope, you all are well by the grace of Almighty ALLAH. Today we learn how to sum from 1 to any number.

generally we know that,

summation of n numbers = n x (n+1) / 2 .
Now, we can write a C programming code by using this formula. Let's look at the program:

In this code, if the input is 100, then output will be:

Output: Enter the value of n: 100
            Sum: 5050

Thank you all..:)


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