C++隨機數

一、

產生1-52的隨機數

 1     srand(unsigned(time(0)));
 2     for(int i=1;i<=10000;i++){
 3         int x=int(rand()%52)+1;
 4         if(x<=0||x>52) cout<<x<<" "<<false<<endl; 
 5     }
 6 
 7 
 8 
 9 
10 
11 #include <cstdlib> 
12 #include <ctime>
13 #include <cstdio>