#include <iostream> #include <cstdlib> #include <ctime> using std::cout; using std::endl; int main(void){ //使用默认种子值产生随机数,每次产生的都一样 cout << rand() << " " << rand() << " " << rand() << endl; //使用新种子产生随机数,每次都不一样 srand((unsigned int)time(0)); cout << rand() << " " << rand() << " " << rand() << endl; return 0; }
C++产生随机数示例
时间: 2024-10-29 10:46:24