Hey !! I have a request, could someone give me a function written in C / C ++ to generate an integer in the range, for example, from 5 to 16 ?? Regards !! I close. - arnoldziq

Hi, I don't know what it is like in C, but for example in Pascal it is done like this: number: = random (16); it gives a random from 0 to 16, you can make a loop that eliminates smaller than 4, I think the toilet is very similar, you only need to find the equivalent of random, good luck

Code: text Expand Select all Copy to clipboardint x; x=5+(rand() % 12); General: generating integers in the range where b> a Code: text Expand Select all Copy to clipboard x=a+(rand() % (b-a+1)); // prosta metoda ale korzysta z małej ilości // bitów i liczby są średnio losowe. second method (better): Code: text Expand Select all Copy to clipboardx = a + int((b-a+1) * rand()/(RAND_MAX+1.0));

Hey !! Thank you thank you thank you, !! Regards !!

[C++] Create Random Integer Function within Custom Range (Example: 5 to 16)

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#1 1165076 24 Jan 2005 13:24

qmpel qmpel

Level 16

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Post #1
1165076 24 Jan 2005 13:24

Hey !!

I have a request, could someone give me a function written in C / C ++ to generate an integer in the range, for example, from 5 to 16 ??

Regards !!

I close. - arnoldziq
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#2 1165109 24 Jan 2005 13:37

wddf wddf

Level 18

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Post #2
1165109 24 Jan 2005 13:37

Hi, I don't know what it is like in C, but for example in Pascal it is done like this:
number: = random (16);

it gives a random from 0 to 16, you can make a loop that eliminates smaller than 4, I think the toilet is very similar, you only need to find the equivalent of "random", good luck
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#3 1165287 24 Jan 2005 14:39

Bielsky Bielsky

Level 21

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Post #3

1165287 24 Jan 2005 14:39


#include 
#include 
int main(int argc, char *argv[])
{
  int i;
  srand(time(0));
  // %12 bo zakres ma 12 liczb
  //5 bo najniższa to 5
  i = rand()%12 + 5;
  printf("%i\n",i);  
  system("PAUSE");	
  return 0;
}

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#4 1165310 24 Jan 2005 14:49

Paweł Es. Paweł Es.

VIP Meritorious for electroda.pl
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Post #4
1165310 24 Jan 2005 14:49

Code: text Expand Select all Copy to clipboard
int x; x=5+(rand() % 12);

General: generating integers in the range where b> a

Code: text Expand Select all Copy to clipboard
x=a+(rand() % (b-a+1)); // prosta metoda ale korzysta z małej ilości // bitów i liczby są "średnio" losowe.
second method (better):

Code: text Expand Select all Copy to clipboard
x = a + int((b-a+1) * rand()/(RAND_MAX+1.0));
#5 1165403 24 Jan 2005 15:21

qmpel qmpel

Level 16

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Post #5
1165403 24 Jan 2005 15:21

Hey !!

Thank you thank you thank you, !!

Regards !!
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