random number in set range

1#include <iostream> 
2#include <ctime> 
3#include <cstdlib>
4
5using namespace std;
6
7int main() 
8{ 
9    srand((unsigned)time(0)); 
10    int random_integer; 
11    int lowest=1, highest=10; 
12    int range=(highest-lowest)+1; 
13    for(int index=0; index<20; index++){ 
14        random_integer = lowest+int(range*rand()/(RAND_MAX + 1.0)); 
15        cout << random_integer << endl; 
16    } 
17}