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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. /* http://e...content-available-to-author-only...a.org/wiki/Linear_congruential_generator */
  5. int doTest(int N) {
  6. 	int i;
  7. 	unsigned init, r;
  8.  
  9. 	for (init = 1; init <= 10; ++init) {
  10. 		r = init;
  11. 		for (i = 0; i < N; ++i)
  12. 			r = 22695477 * r + 1;
  13. 		printf("%2d -> ...%3d times... -> %6u\n", init, N, (r>>16) & ((1<<15)-1));
  14. 	}
  15. 	printf("\n");
  16. }
  17.  
  18. int main(void) {
  19. 	doTest(1);
  20. 	doTest(2);
  21. 	doTest(3);
  22. 	doTest(10000);
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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 1 -> ...  1 times... ->    346
 2 -> ...  1 times... ->    692
 3 -> ...  1 times... ->   1038
 4 -> ...  1 times... ->   1385
 5 -> ...  1 times... ->   1731
 6 -> ...  1 times... ->   2077
 7 -> ...  1 times... ->   2424
 8 -> ...  1 times... ->   2770
 9 -> ...  1 times... ->   3116
10 -> ...  1 times... ->   3463

 1 -> ...  2 times... ->    130
 2 -> ...  2 times... ->  32682
 3 -> ...  2 times... ->  32467
 4 -> ...  2 times... ->  32251
 5 -> ...  2 times... ->  32036
 6 -> ...  2 times... ->  31820
 7 -> ...  2 times... ->  31604
 8 -> ...  2 times... ->  31389
 9 -> ...  2 times... ->  31173
10 -> ...  2 times... ->  30957

 1 -> ...  3 times... ->  10982
 2 -> ...  3 times... ->  21834
 3 -> ...  3 times... ->  32686
 4 -> ...  3 times... ->  10770
 5 -> ...  3 times... ->  21622
 6 -> ...  3 times... ->  32473
 7 -> ...  3 times... ->  10557
 8 -> ...  3 times... ->  21409
 9 -> ...  3 times... ->  32261
10 -> ...  3 times... ->  10345

 1 -> ...10000 times... ->  13125
 2 -> ...10000 times... ->   5687
 3 -> ...10000 times... ->  31016
 4 -> ...10000 times... ->  23578
 5 -> ...10000 times... ->  16140
 6 -> ...10000 times... ->   8702
 7 -> ...10000 times... ->   1264
 8 -> ...10000 times... ->  26594
 9 -> ...10000 times... ->  19156
10 -> ...10000 times... ->  11718
https://ideone.com/nwqApv
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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