Easy. But couldn't find a solution ?

[saif18]

Write a program that finds and prints the sum of all numbers from 1 to 100 (with out loop).

[Caprico]

Without loop huh? Simply use the formula sum=n*(n+1)/2... where n will be 100 in your case..

[Gaminic]

So, to you, not easy?

Hint: you're looking for a formula.

[saif18]

Can't figure it out yet.

[saif18]

Thanks, but can you tell me how you figured out the formula ?

[Cubbi]

This formula is easy to find:
http://en.wikipedia.org/wiki/Arithmetic_progression#Sum
http://mathworld.wolfram.com/ArithmeticSeries.html

[saif18]

Alright. Thanks for helping. :-)

[Caprico]

Always welcome.. :)