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how to use a while loop to solve this?

Asked by Jack on 10 Sep 2013

Hello, I need help with while loop please help Use a while loop to add all of the even numbers up: 2 + 4 + 6 + 8 + · · · until the sum exceeds 5 million. What is the actual sum? How many even numbers were added?

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Jack

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2 Answers

Answer by Azzi Abdelmalek on 10 Sep 2013
Edited by Azzi Abdelmalek on 10 Sep 2013
Accepted answer

An example how the while loop works

If we have to do 1+2+3+4+...+10

s=0;
k=0;
while  k<10
  k=k+1;
  s=s+k
end

Try to adapt this to your problem

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Azzi Abdelmalek
Answer by Jan Simon on 10 Sep 2013

For homework questions it is recommended to show, what you have tried already. Then the forum can help to solve a specific problem.

Note that Gauss has found a formula to solve the addition in several seconds without a computer. You can re-order the terms of his formula to solve your problem also.

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Jan Simon

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