shaizi.cpp

/* 掷骰子.cpp */
#include <cstdlib>
#include <iostream>
using namespace std;
int rolldice();
int main(int argc, char const *argv[]) {
  int flag;
  unsigned seed;
  cout << "请输入无符号整数：" << endl;
  cin >> seed;
  srand(seed);
  int sum = rolldice();
  int selfdim;
  switch (sum) {
  case 7:
  case 11:
    flag = 1;
    break;
  case 2:
  case 3:
  case 12:
    flag = 2;
    break;
  default:
    flag = 0;
    selfdim = sum;
    break;
  }
  while (flag == 0) {
    sum = rolldice();
    if (sum == selfdim) {
      flag = 1;
    } else if (sum == 7) {
      flag = 2;
    }
  }
  if (flag == 1) {
    cout << "player win\n";
  } else {
    cout << "player loses\n";
  }

  
  return 0;
}

int rolldice() {
  int sum = 0;
  int dim1 = rand() % 6 + 1;
  int dim2 = rand() % 6 + 1;
  sum = dim1 + dim2;
  cout << "sum=" << dim1 << "+" << dim2 << endl;
  return sum;
}