Smith numbers: Difference between revisions
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(Added solution for Action!) |
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9861 9880 9895 9924 9942 9968 9975 9985 |
9861 9880 9895 9924 9942 9968 9975 9985 |
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376 smith numbers found <= 10000 |
376 smith numbers found <= 10000 |
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</pre> |
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=={{header|Action!}}== |
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Calculations on a real Atari 8-bit computer take quite long time. It is recommended to use an emulator capable with increasing speed of Atari CPU. |
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<lang Action!>CARD FUNC SumDigits(CARD n) |
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CARD res,a |
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res=0 |
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WHILE n#0 |
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DO |
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res==+n MOD 10 |
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n==/10 |
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OD |
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RETURN (res) |
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CARD FUNC PrimeFactors(CARD n CARD ARRAY f) |
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CARD a,count |
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a=2 count=0 |
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DO |
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IF n MOD a=0 THEN |
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f(count)=a |
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count==+1 |
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n==/a |
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IF n=1 THEN |
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RETURN (count) |
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FI |
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ELSE |
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a==+1 |
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FI |
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OD |
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RETURN (0) |
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PROC Main() |
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CARD n,i,s1,s2,count,tmp |
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CARD ARRAY f(100) |
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FOR n=4 TO 10000 |
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DO |
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count=PrimeFactors(n,f) |
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IF count>=2 THEN |
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s1=SumDigits(n) |
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s2=0 |
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FOR i=0 TO count-1 |
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DO |
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tmp=f(i) |
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s2==+SumDigits(tmp) |
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OD |
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IF s1=s2 THEN |
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PrintC(n) Put(32) |
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FI |
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FI |
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Poke(77,0) ;turn off the attract mode |
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OD |
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RETURN</lang> |
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{{out}} |
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[https://gitlab.com/amarok8bit/action-rosetta-code/-/raw/master/images/Smith_numbers.png Screenshot from Atari 8-bit computer] |
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<pre> |
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4 22 27 58 85 94 121 166 202 265 274 319 346 355 378 382 391 438 454 483 517 526 535 562 576 588 627 634 636 645 |
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648 654 663 666 690 706 728 729 762 778 825 852 861 895 913 915 922 958 985 1086 1111 1165 1219 1255 1282 1284 1376 |
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1449 1507 1581 1626 1633 1642 1678 1736 1755 1776 1795 1822 1842 1858 1872 1881 1894 1903 1908 1921 1935 1952 1962 |
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1966 2038 2067 2079 2155 2173 2182 2218 2227 2265 2286 2326 2362 2366 2373 2409 2434 2461 2475 2484 2515 2556 2576 |
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2578 2583 2605 2614 2679 2688 2722 2745 2751 2785 2839 2888 2902 2911 2934 2944 2958 2964 2965 2970 2974 3046 3091 |
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3138 3168 3174 3226 3246 3258 3294 3345 3366 3390 3442 3505 3564 3595 3615 3622 3649 3663 3690 3694 3802 3852 3864 |
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3865 3930 3946 3973 4054 4126 4162 4173 4185 4189 4191 4198 4209 4279 4306 4369 4414 4428 4464 4472 4557 4592 4594 |
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4702 4743 4765 4788 4794 4832 4855 4880 4918 4954 4959 4960 4974 4981 5062 5071 5088 5098 5172 5242 5248 5253 5269 |
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5298 5305 5386 5388 5397 5422 5458 5485 5526 5539 5602 5638 5642 5674 5772 5818 5854 5874 5915 5926 5935 5936 5946 |
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5998 6036 6054 6084 6096 6115 6171 6178 6187 6188 6252 6259 6295 6315 6344 6385 6439 6457 6502 6531 6567 6583 6585 |
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6603 6684 6693 6702 6718 6760 6816 6835 6855 6880 6934 6981 7026 7051 7062 7068 7078 7089 7119 7136 7186 7195 7227 |
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7249 7287 7339 7402 7438 7447 7465 7503 7627 7674 7683 7695 7712 7726 7762 7764 7782 7784 7809 7824 7834 7915 7952 |
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7978 8005 8014 8023 8073 8077 8095 8149 8154 8158 8185 8196 8253 8257 8277 8307 8347 8372 8412 8421 8466 8518 8545 |
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8568 8628 8653 8680 8736 8754 8766 8790 8792 8851 8864 8874 8883 8901 8914 9015 9031 9036 9094 9166 9184 9193 9229 |
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9274 9276 9285 9294 9296 9301 9330 9346 9355 9382 9386 9387 9396 9414 9427 9483 9522 9535 9571 9598 9633 9634 9639 |
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9648 9657 9684 9708 9717 9735 9742 9760 9778 9840 9843 9849 9861 9880 9895 9924 9942 9968 9975 9985 |
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</pre> |
</pre> |
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