Sum of primes in odd positions is prime: Difference between revisions
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{ 823 26879 } |
{ 823 26879 } |
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</pre> |
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=={{header|Go}}== |
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{{trans|Wren}} |
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{{libheader|Go-rcu}} |
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<lang go>package main |
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import ( |
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"fmt" |
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"rcu" |
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) |
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func main() { |
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primes := rcu.Primes(999) |
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sum := 0 |
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fmt.Println(" i p[i] Σp[i]") |
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fmt.Println("----------------") |
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for i := 0; i < len(primes); i += 2 { |
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sum += primes[i] |
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if rcu.IsPrime(sum) { |
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fmt.Printf("%3d %3d %6s\n", i+1, primes[i], rcu.Commatize(sum)) |
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} |
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} |
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}</lang> |
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{{out}} |
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<pre> |
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i p[i] Σp[i] |
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---------------- |
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1 2 2 |
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3 5 7 |
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11 31 89 |
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27 103 659 |
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35 149 1,181 |
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67 331 5,021 |
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91 467 9,923 |
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95 499 10,909 |
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99 523 11,941 |
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119 653 17,959 |
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143 823 26,879 |
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</pre> |
</pre> |
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