Primary school students fun C ++ programming lesson 22 draw

Primary school students c ++ programming information

Link: https://pan.baidu.com/s/1XlA5AcjDXz5YWOFT32gSmw 
extraction code: 9iz9 

#include <iostream> 
#include <ctime> // The time () function needs to be called 
# include <cstdlib> // The srand () and rand () functions need to be called 
using namespace std; 
int main () 
{ 
  int n, a; 
  cout << "Lottery" << endl; 
  cout << "please enter 1-5:"; 
  cin >> n; 
  srand (time (0)); // random seed 
  a = rand ()% 5 + 1; / / Randomly generate integers from 1 to 5 
  if (n == a) 
    cout << "Congratulations, you have won! Prize 10 yuan" << endl; 
  else 
    cout << "No winning, please pay 2 yuan" << endl; 
  cout << "The winning number is" << a << endl; 
  return 0; 
}