One-two primes: Difference between revisions
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1111111111111111111 |
1111111111111111111 |
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11111111111111212121</syntaxhighlight> |
11111111111111212121</syntaxhighlight> |
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=={{header|Phix}}== |
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<!--<syntaxhighlight lang="phix">(phixonline)--> |
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
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<span style="color: #008080;">include</span> <span style="color: #004080;">mpfr</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span> |
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<span style="color: #008080;">function</span> <span style="color: #000000;">p12</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">)</span> |
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<span style="color: #004080;">string</span> <span style="color: #000000;">res</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">repeat</span><span style="color: #0000FF;">(</span><span style="color: #008000;">'1'</span><span style="color: #0000FF;">,</span><span style="color: #000000;">n</span><span style="color: #0000FF;">)</span> |
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<span style="color: #004080;">mpz</span> <span style="color: #000000;">p</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">mpz_init</span><span style="color: #0000FF;">(</span><span style="color: #000000;">res</span><span style="color: #0000FF;">)</span> |
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<span style="color: #008080;">while</span> <span style="color: #008080;">not</span> <span style="color: #7060A8;">mpz_prime</span><span style="color: #0000FF;">(</span><span style="color: #000000;">p</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span> |
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<span style="color: #008080;">for</span> <span style="color: #000000;">k</span><span style="color: #0000FF;">=</span><span style="color: #7060A8;">max</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">to</span> <span style="color: #000000;">1</span> <span style="color: #008080;">by</span> <span style="color: #0000FF;">-</span><span style="color: #000000;">1</span> <span style="color: #008080;">do</span> |
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<span style="color: #008080;">if</span> <span style="color: #000000;">res</span><span style="color: #0000FF;">[</span><span style="color: #000000;">k</span><span style="color: #0000FF;">]=</span><span style="color: #008000;">'1'</span> <span style="color: #008080;">then</span> |
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<span style="color: #000000;">res</span><span style="color: #0000FF;">[</span><span style="color: #000000;">k</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">'2'</span> |
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<span style="color: #008080;">exit</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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<span style="color: #000000;">res</span><span style="color: #0000FF;">[</span><span style="color: #000000;">k</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">'1'</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
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<span style="color: #7060A8;">mpz_set_str</span><span style="color: #0000FF;">(</span><span style="color: #000000;">p</span><span style="color: #0000FF;">,</span><span style="color: #000000;">res</span><span style="color: #0000FF;">)</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">while</span> |
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<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">></span><span style="color: #000000;">20</span> <span style="color: #008080;">then</span> |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">k</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #008000;">'2'</span><span style="color: #0000FF;">,</span><span style="color: #000000;">res</span><span style="color: #0000FF;">)</span> |
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<span style="color: #000000;">res</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">..</span><span style="color: #000000;">k</span><span style="color: #0000FF;">-</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"..(%d 1s).."</span><span style="color: #0000FF;">,</span><span style="color: #000000;">k</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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<span style="color: #008080;">return</span> <span style="color: #000000;">res</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">hn</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">iff</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">platform</span><span style="color: #0000FF;">()=</span><span style="color: #004600;">JS</span><span style="color: #0000FF;">?</span><span style="color: #000000;">2</span><span style="color: #0000FF;">:</span><span style="color: #000000;">20</span><span style="color: #0000FF;">)</span> |
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<span style="color: #008080;">for</span> <span style="color: #000000;">n</span> <span style="color: #008080;">in</span> <span style="color: #7060A8;">tagset</span><span style="color: #0000FF;">(</span><span style="color: #000000;">20</span><span style="color: #0000FF;">)&</span><span style="color: #7060A8;">tagstart</span><span style="color: #0000FF;">(</span><span style="color: #000000;">100</span><span style="color: #0000FF;">,</span><span style="color: #000000;">hn</span><span style="color: #0000FF;">,</span><span style="color: #000000;">100</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span> |
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<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%4d: %s\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">n</span><span style="color: #0000FF;">,</span><span style="color: #000000;">p12</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n</span><span style="color: #0000FF;">)})</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
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<!--</syntaxhighlight>--> |
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{{out}} |
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<pre> |
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1: 2 |
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2: 11 |
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3: 211 |
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4: 2111 |
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5: 12211 |
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6: 111121 |
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7: 1111211 |
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8: 11221211 |
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9: 111112121 |
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10: 1111111121 |
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11: 11111121121 |
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12: 111111211111 |
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13: 1111111121221 |
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14: 11111111112221 |
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15: 111111112111121 |
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16: 1111111112122111 |
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17: 11111111111112121 |
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18: 111111111111112111 |
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19: 1111111111111111111 |
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20: 11111111111111212121 |
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100: 1..(92 1s)..121112211 |
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200: 1..(192 1s)..121112211 |
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300: 1..(288 1s)..1211121112221 |
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400: 1..(390 1s)..12111122121 |
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500: 1..(488 1s)..1221222111111 |
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600: 1..(590 1s)..12112222221 |
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700: 1..(689 1s)..121111111111 |
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800: 1..(787 1s)..12122222221111 |
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900: 1..(891 1s)..1222221221 |
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1000: 1..(988 1s)..1222122111121 |
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1100: 1..(1087 1s)..12112111121111 |
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1200: 1..(1191 1s)..1211222211 |
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1300: 1..(1289 1s)..122121221121 |
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1400: 1..(1388 1s)..1222211222121 |
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1500: 1..(1489 1s)..121112121121 |
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1600: 1..(1587 1s)..12121222122111 |
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1700: 1..(1688 1s)..1212121211121 |
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1800: 1..(1791 1s)..1221211121 |
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1900: 1..(1889 1s)..122212212211 |
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2000: 1..(1989 1s)..122121121211 |
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</pre> |
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Takes a while past 700 digits, capping it at 200 keeps it below 1s under pwa/p2js |
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=={{header|Raku}}== |
=={{header|Raku}}== |
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