C++随机数生成

#include<boost/algorithm/string.hpp>
#include <string>
#include <ctime>
#include <boost/lexical_cast.hpp>
using namespace boost;
using namespace std;
void main()
{
srand(time(0));
int tem;
for (int i = 0; i < 10; ++i)
{
tem = 100 + rand() % ( 100 + 1);
cout << tem << " " ;

}

int wait;
cin >> wait;
}

 

 

#include<boost/algorithm/string.hpp>
#include <string>
#include <ctime>
#include <boost/lexical_cast.hpp>

int RandBetween(int a, int b)
{

int result;

result = a + rand() % ( b - a + 1);

return result;
}

using namespace boost;
using namespace std;

void main()
{
srand(time(0));


for (int i = 0; i < 25; ++i)
{
cout << RandBetween(1000, 5000) << " " ;
}

int wait;
cin >> wait;
}