Back-End Programming Exam > Back-End Programming Videos > Learn to Program with C++: Beginner to Expert > C++ Programming Tutorials - Random Number Generator
C++ Programming Tutorials - Random Number Generator Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
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73 videos|7 docs|23 tests
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FAQs on C++ Programming Tutorials - Random Number Generator Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What is a random number generator in C programming? |  |
Ans. A random number generator in C programming is a function or algorithm that generates a sequence of numbers that appear to be random. These numbers are typically used in various applications such as cryptography, simulations, and games.
| 2. How can I generate a random number in C programming? | |
Ans. In C programming, you can generate a random number by using the "rand()" function from the standard library. This function returns a pseudo-random number between 0 and RAND_MAX. You can also use the "srand()" function to seed the random number generator with a specific value to get a different sequence of random numbers each time.
| 3. Can I generate random numbers within a specific range in C programming? | |
Ans. Yes, you can generate random numbers within a specific range in C programming. To do this, you can use the modulo operator (%) to limit the range of the generated random number. For example, if you want to generate a random number between 1 and 10, you can use the expression "rand() % 10 + 1".
| 4. How can I generate random floating-point numbers in C programming? | |
Ans. In C programming, you can generate random floating-point numbers by dividing the random integer generated by "rand()" by a specific divisor and adding a minimum value to it. For example, to generate a random floating-point number between 0.0 and 1.0, you can use the expression "(float)rand() / (float)RAND_MAX".
| 5. How can I generate random numbers with a seed in C programming? | |
Ans. To generate random numbers with a seed in C programming, you can use the "srand()" function to set the seed value before using the "rand()" function. The seed value determines the starting point of the random number sequence. It is common to use the current time as the seed value by passing "time(NULL)" as the argument to "srand()". This ensures that the random number sequence is different each time the program is run.
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Oct 24, 2024 Last updated |
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