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  1. #include <stdio.h>
  2.  
  3. void test_lcg(const char * const source, const unsigned a, const unsigned c)
  4. {
  5.     unsigned x = 0;
  6.     unsigned long long n = 0;
  7.     printf("%s\nx = x * %u + %u\n", source, a, c);
  8.     do {
  9.         x = x * a + c;
  10.         ++n;
  11.     } while (x);
  12.     printf("cycle length: %llu\n\n", n);
  13. }
  14.  
  15. int main()
  16. {
  17.     printf("https://e...content-available-to-author-only...a.org/wiki/Linear_congruential_generator\n\n");
  18.     test_lcg("Numerical Recipes", 1664525, 1013904223);
  19.     test_lcg("Borland C/C++", 22695477, 1);
  20.     test_lcg("Borland Delphi", 134775813, 1);
  21.     test_lcg("Turbo Pascal", 33797, 1);
  22.     test_lcg("Microsoft Visual C/C++", 214013, 2531011);
  23.     test_lcg("old glibc", 69069, 1);
  24.     return 0;
  25. }
Time limit exceeded #stdin #stdout 5s 2168KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/2eUTfb
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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