Prime numbers which contain 123: Difference between revisions
Content added Content deleted
(→{{header|Wren}}: Rejigged to deal with stretch goal.) |
(→{{header|Go}}: Rejigged to deal with stretch goal.) |
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func main() { |
func main() { |
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limit := 100_000 |
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primes := rcu.Primes(limit) |
primes := rcu.Primes(limit * 10) |
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var results []int |
var results []int |
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for _, p := range primes { |
for _, p := range primes { |
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if p < 1000 { |
if p < 1000 || p > 99999 { |
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continue |
continue |
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} |
} |
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} |
} |
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} |
} |
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fmt.Println("\n\nFound", len(results), "such primes.") |
fmt.Println("\n\nFound", len(results), "such primes under", climit, "\b.") |
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limit = 1_000_000 |
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climit = rcu.Commatize(limit) |
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count := len(results) |
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for _, p := range primes { |
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if p < 100_000 { |
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continue |
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} |
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ps := fmt.Sprintf("%s", p) |
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if strings.Contains(ps, "123") { |
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count++ |
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} |
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} |
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fmt.Println("\nFound", count, "such primes under", climit, "\b.") |
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}</lang> |
}</lang> |
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76,123 81,233 81,239 89,123 91,237 98,123 |
76,123 81,233 81,239 89,123 91,237 98,123 |
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Found 46 such primes. |
Found 46 such primes under 100,000. |
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Found 451 such primes under 1,000,000. |
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</pre> |
</pre> |
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