#include <iostream> #include <cstdlib> // Header file needed to use srand and rand #include <ctime> // Header file needed to use time using namespace std; int main() { unsigned seed; // Random generator seed //
// See https://learn.microsoft.com/cpp/standard-library/random int r = ((double)rand() / RAND_MAX) * (range_max - range_min) + range_min; printf(" %6d\n", r); } } int main(void) { // Seed the random-number generator with a fixed seed so that // the numbers will be ...
如@周星星所说:C11 7.22.2.1 The rand function2rand函数计算一个伪随机整数的序列,范围为0到RA...
@周星星 所说:C117.22.2.1 The rand function 2rand函数计算一个伪随机整数的序列,范围为0到RAND...
// 生成一个0到100之间的随机整数(包括0,不包括100) function getRandomInt(max) { return Math.floor(Math.random() * max); } let random_number = getRandomInt(101); // 101是为了包括100在内的可能性,但结果不包括101 console.log(`Random number: ${random_number}`); 注意事项 伪随机数:上述...
7.20.2.1 The rand function (p: 312) C89/C90 standard (ISO/IEC 9899:1990): 4.10.2.1 The rand function See also srand seeds pseudo-random number generator (function) RAND_MAX maximum possible value generated by rand() (macro constant) C++ documentation for rand ...
// crt_rand.c // This program seeds the random-number generator // with a fixed seed, then exercises the rand function // to demonstrate generating random numbers, and // random numbers in a specified range. #include <stdlib.h> // rand(), srand() #include <stdio.h> // printf() ...
7.22.2.1 The rand function (p: 346) C99 standard (ISO/IEC 9899:1999): 7.20.2.1 The rand function (p: 312) C89/C90 standard (ISO/IEC 9899:1990): 4.10.2.1 The rand function 参阅 srand 播种伪随机数生成器 (函数) RAND_MAX rand() 生成的最大可能值 (宏常量) ...
// crt_rand.c// This program seeds the random-number generator// with a fixed seed, then exercises the rand function// to demonstrate generating random numbers, and// random numbers in a specified range.#include<stdlib.h> // rand(), srand()#include<stdio.h> // printf()voidSimpleRand...
// See https://learn.microsoft.com/cpp/standard-library/random int r = ((double)rand() / RAND_MAX) * (range_max - range_min) + range_min; printf(" %6d\n", r); } } int main(void) { // Seed the random-number generator with a fixed seed so that // the numbers will be ...