make random nuber between two number in c++

To generate a random number between two given numbers in C++, you can use the rand() function along with some additional steps. Here is an example of how you can do it:

  1. Include the necessary header file:
#include <cstdlib>
  1. Seed the random number generator:
srand(time(0));

This step is important to ensure that the random numbers generated are different each time the program is run. The srand() function seeds the random number generator with a value based on the current time.

  1. Calculate the range of the random numbers:
int minNum = 1; // minimum number
int maxNum = 10; // maximum number
int range = maxNum - minNum + 1;

Here, minNum and maxNum represent the minimum and maximum numbers of the desired range. The range variable represents the total number of possible values in the range.

  1. Generate the random number within the given range:
int randomNumber = minNum + rand() % range;

This line of code generates a random number between minNum and maxNum using the rand() function. The % operator is used to get the remainder of the division of rand() by range, ensuring that the result is within the desired range. Adding minNum ensures that the generated number is at least minNum.

  1. Use the generated random number:
cout << "Random number: " << randomNumber << endl;

You can replace cout << "Random number: " << randomNumber << endl; with your desired code to use the generated random number.

Remember to include the necessary header files (<iostream> for cout and <ctime> for time) at the beginning of your code.

That's it! Following these steps, you will be able to generate a random number between two given numbers in C++.