what srand

See Summer snow on the winter of Rand () and srand () produce random number of summary, very good, study, and then have Baidu other people's results, the system summarizes. This article turns from Summer snow winter:

Http://hi.baidu.com/jkxtu1984/blog/item/d5d1f1c6e5ac461d9d163dec.html The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void );Returns a random integer between [seed, rand_max (0

Standard library (included in ) provides two functions to help generate pseudo-random numbers:function one: int rand (void);Returns a random integer between [seed, Rand_max (0X7FFF)), starting with the seed specified in Srand (seed).function two:

Srand () is to provide seed for rand (). If srand inputs the same value each time, the random number generated each time is the same, Srand (N) For (10) Rand ()That is to say, using a fixed value as the seed is a disadvantage. The common practice is

use of the Random function rand () and Srand () in C + +First, Rand ()Name of function: RandFunction: Random number generatorUsage: int rand (void);Header file: stdlib.hFunction Description:The internal implementation of RAND () is made with linear

Rand ()Returns a random value ranging from 0 to RAND_MAX. Before calling this function to generate a random number, you must use srand () to set the random number seed. If no random number seed is set, rand () will automatically set the random

Http://www.cnblogs.com/lenient/articles/1565376.html First we have a general view of Rand&srand: Srand initializes random seeds, Rand produces random numbers, which are described in detail below. RAND (generating random numbers) Table header file:

I. Basics We know that the rand () function can be used to generate random numbers, but this is not a real random number, it is a pseudo random number, it is based on a number, we can call it a kind, A coefficient calculated based on a recursive

  If there is no srand () function and only RAND () function, the random numbers generated by each running program are the same. With the srand () function, the numbers generated each time are different. In C ++, you can use the rand () function to

Rand and srand usageFirst, we need to have a general opinion on rand & srand: srand initializes random seeds, and rand generates random numbers. The following describes in detail.Rand (Random Number Generation)Header file: # includeDefine function:

It can be considered that rand () is viewed every time it is called:1) If you have previously called srand (SEED) and specified a value for seed, it will automatically callSrand (SEED) is used once to initialize its starting value.2) If you have not

The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void );Returns a random integer between [seed, RAND_MAX (0x7fff) starting from the seed specified in srand (seed. Function 2:

Summary of methods for generating pseudo-random numbers using rand () and srand () --------------------------------- The standard library (included in ) provides two functions to help generate pseudo-random numbers:   Function 1: int rand (void );

  The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void );Returns a random integer between [seed, rand_max (0x7fff) starting from the seed specified in srand (SEED.

  The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void ); Returns a random integer between [seed, rand_max (0x7fff) starting from the seed specified in srand (SEED. Function 2:

Summary of the method for generating random numbers using rand () and srand ()   The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void );Returns a random integer between [seed,

Excerpted from: http://tieba.baidu.com/F? Kz= 356105289   First, we need to have a general opinion on Rand & srand: srand initializes random seeds, and Rand generates random numbers. The following describes in detail.Rand (Random Number

The standard library (included in ) provides two functions to help generate pseudo-random numbers: Function 1: int rand (void );Returns a random integer between [seed, rand_max (0x7fff) starting from the seed specified in srand (SEED. Function 2:

Shuffle () defines and uses the shuffle () function to rearrange the elements in the array in random order. Returns TRUE if successful, otherwise FALSE is returned. Note: This function assigns the new key name to the cells in the array. This will

The Srand function is the initialization function of the random number generator. Prototype: void Srand (unsigned seed); Usage: It initializes a random seed that provides a seed that corresponds to a random number, and if the rand () function