Prime triangle: Difference between revisions
Content added Content deleted
m (Minor optimization to Java code - see discussion page) |
m (Minor optimization to Rust code - see discussion page) |
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| Line 931: | Line 931: | ||
return is_prime(a[0] + a[1]); |
return is_prime(a[0] + a[1]); |
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} |
} |
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for i in 1..a.len() - 1 { |
for i in (1..a.len() - 1).step_by(2) { |
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if is_prime(a[0] + a[i]) { |
if is_prime(a[0] + a[i]) { |
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a.swap(i, 1); |
a.swap(i, 1); |
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| Line 950: | Line 950: | ||
} |
} |
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} else { |
} else { |
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for i in 1..a.len() - 1 { |
for i in (1..a.len() - 1).step_by(2) { |
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if is_prime(a[0] + a[i]) { |
if is_prime(a[0] + a[i]) { |
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a.swap(i, 1); |
a.swap(i, 1); |
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| Line 1,018: | Line 1,018: | ||
1 1 1 1 1 2 4 7 24 80 216 648 1304 3392 13808 59448 155464 480728 1588162 |
1 1 1 1 1 2 4 7 24 80 216 648 1304 3392 13808 59448 155464 480728 1588162 |
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Elapsed time: |
Elapsed time: 674 milliseconds |
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</pre> |
</pre> |
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