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1st December 2016 17:26 #1Registered User
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(java)
. , b - 2 b+1 .
Code:int i = 2; int b = 10000000; while (b > 2) { while ((i < b) && (b % i != 0)) { if (i == b - 1) { System.out.print(b + ","); } i++; } i=2; b++; }
1,3,7,9 60% 15% eclipse, ?Code:int i = 2; int b = 10000000; while (b > 2) { int c = b % 10; if((c==1)||(c==3)||(c==7)||(c==9)){ while ((i < b) && (b % i != 0)) { if (i == b - 1) { System.out.print(b + ","); } i++; }} i=2; b++; }
while ?Last edited by atom3; 1st December 2016 at 17:51.
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1st December 2016 17:49 #2
, b b % i == 0 .
: b b -= 2;
, : .Last edited by anrieff; 1st December 2016 at 17:51.
, . .
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1st December 2016 18:03 #3Registered User
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Last edited by atom3; 1st December 2016 at 18:03.
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1st December 2016 18:39 #4
- (if (...), i++ ..).
, , b % i, .. , .
- ( ), : SQRT(b) - SQRT(b)
.. for (int i = 2; i*i <= b; i++) ...
(n3/2) , O(n2).
- . - O(n log log n), .. ., . .
"640K ught to be enough for anybody" - Bill Gates, 1981
::Machine specs::Fract::AGG::::Baileys::blog::YouTube channel
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3rd December 2016 21:11 #5Registered User
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6th December 2016 16:14 #6Registered User
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