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/* | |
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: | |
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... | |
By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms. | |
*** PROBLEM WITH EULER CONDITION THEY SAY 4 MILLION BUT ACTUALLY MEAN 40 MILLION |
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/* | |
Euler 1 | |
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. | |
Find the sum of all the multiples of 3 or 5 below 1000. | |
*/ | |
fn sum_multiples_of_3and5(num : i32) -> i32{ | |
let mut s = 0; | |
for i in 0..num { | |
if i % 3 == 0 || i %5 ==0{ |
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