基础C语言编写
/******************************************************
File name:24点游戏 // 文件名
Author: Sno:1508010317 class:软工1503
Date:2017.3.19 // 作者及完成日期
Description:
从扑克中每次取出4张牌。使用加减乘除,第一个能
得出24者为赢。(其中,J代表11,Q代表12,
K代表13,A代表1),按照要求编程解决24点游戏。
基本要求: 随机生成4个代表扑克牌牌面的数字字母,
程序自动列出所有可能算出24的表达式。
Function List: // 主要函数及其功能
1、menu(); //界面函数
2、search24(int number1, int number2, int number3, int number4, int goal);//算法函数
3、sjchuti(); //随机函数
4、list(); //判断输出函数
5、calTwo(double num1, double num2, char ch); //2个数的计算函数
History: // 历史修改记录
<author> <time> <desc>
2017.04.10 修改警报,成功
2017. 04.12 修改循环结构,成功
2017.04.12 增加输入答案函数,失败
*************************************************/
#include <stdio.h>
#include <stdlib.h>
#include<time.h>
#pragma warning(disable:4996)//将4966警报置为失效
#define GOAL 24
//////主要函数
void search24(int number1, int number2, int number3, int number4, int goal);
double calTwo(double num1, double num2, char ch);
int sjchuti();
int list();
typedef enum _BOOL
{ FALSE, TRUE }BOOL;
BOOL solution = FALSE;
typedef struct _NUM //定义数字结构体
{
int value;
BOOL isCanUse;
}NUM;
NUM numbers[4]; //定义结构数组
///////////////////界面函数
int menu()
{
int s;
printf("*******************************\n");
printf("*****24点游戏*****************\n");
printf("0、帮助\n");
printf("1、随机生成4个数\n");
printf("2、生成运算公式\n");
printf("3、退出游戏\n");
printf("*******************************\n");
do
{
printf("请输入操作(0~3):\n");
scanf("%d", &s);
} while (s < 0 || s>3);
return s;
}
/////////////////////////帮助函数
void help()
{
system("cls"); /**清屏**/
printf("\n0.欢迎使用游戏帮助!\n");
printf("\n1.初次进入游戏后,请先选择 1 出题;\n");
printf("\n2.按 3 显示结果;\n");
printf("\n4.谢谢您的使用!\n");
getchar();
}
int main(void)
{
for (;;)
{
switch (menu())
{
case 0: help(); break;
case 1: sjchuti(); break;
case 2:list(); break;
case 3:exit(0); break;
}
}
getchar();
printf("按回车键返回主菜单...\n");
return 0;
}
////////////////////////随机出题函数
int sjchuti()
{
system("cls");
srand((unsigned)time(NULL));
printf("四个随机数:\n");
for (int j = 0; j < 4; j++)
{
numbers[j].value = 1 + rand() % 13;
printf("第%d个数为: %d\n", j + 1, numbers[j].value);
numbers[j].isCanUse = TRUE;
}
getchar();
return 0;
}
//////////////////生成函数
int list()
{
system("cls");
int array[24][4];
int i = 0, x, j, count = 0;
int temp1, temp2, temp3;
for (i = 0; i < 4; i++)
{
numbers[i].isCanUse = FALSE;
for (temp1 = 0; temp1 < 4; temp1++)
{
if (!numbers[temp1].isCanUse)
{
continue;
}
numbers[temp1].isCanUse = FALSE;
for (temp2 = 0; temp2 < 4; temp2++)
{
if (!numbers[temp2].isCanUse)
{
continue;
}
numbers[temp2].isCanUse = FALSE;
for (temp3 = 0; temp3 < 4; temp3++)
{
if (!numbers[temp3].isCanUse)
{
continue;
}
numbers[temp3].isCanUse = FALSE;
j = 0;
array[count][j++] = numbers[i].value;
array[count][j++] = numbers[temp1].value;
array[count][j++] = numbers[temp2].value;
array[count][j++] = numbers[temp3].value;
count++;
numbers[temp3].isCanUse = TRUE;
}
numbers[temp2].isCanUse = TRUE;
}
numbers[temp1].isCanUse = TRUE;
}
numbers[i].isCanUse = TRUE;
}
for (i = 0; i<count; i++)
{
for (j = 0; j<i; j++)
{
for (temp1 = 0; temp1<4; temp1++)
{
if (array[i][temp1] != array[j][temp1])
break;
}
if (temp1 >= 4)
{
break;
}
}
if (j >= i)
search24(array[i][0], array[i][1], array[i][2], array[i][3], GOAL);
}
if (!solution)
{
printf("对不起,该数不能构成24点!!!\n");
}
getchar();
return 0;
}
/////////计算函数
double calTwo(double num1, double num2, char ch)
{
switch (ch)
{
case '+':return num1 + num2;
case '-':return num1 - num2;
case '*':return num1 * num2;
case '/':return num1 / num2;
default: printf("ERROR");
return 0;
}
}
//////////////算法函数,参数为随机4个数和24
void search24(int number1, int number2, int number3, int number4, int goal)
{
char op[4]; //定义运算符数组
int i1, i2, i3;
double temp1 = 0, temp2 = 0, temp3 = 0, temp4 = 0;
op[0] = '+';
op[1] = '-';
op[2] = '*';
op[3] = '/';
for (i1 = 0; i1 < 4; i1++) //通过循环不断调用计算函数计算
{
for (i2 = 0; i2 < 4; i2++)
{
for (i3 = 0; i3 < 4; i3++)
{
temp1 = calTwo(calTwo(number1, number2, op[i1]), calTwo(number3, number4, op[i3]), op[i2]);
temp2 = calTwo(calTwo(number1, calTwo(number2, number3, op[i2]), op[i1]), number4, op[i3]);
temp3 = calTwo(calTwo(calTwo(number1, number2, op[i1]), number3,
op[i2]), number4, op[i3]);
temp4 = calTwo(number1, calTwo(number2, calTwo(number3, number4, op[i3]), op[i2]), op[i1]);
///////////输出分优先级,所以分可能输出
if (goal == (int)temp1)
{
printf("((%d %c %d) %c (%d %c %d)) = %d\n",
number1, op[i1], number2, op[i2], number3, op[i3], number4, (int)temp1); temp1 = 0;
solution = TRUE;
}
if (goal == (int)temp2)
{
printf("((%d %c(%d %c %d))%c %d)=%d\n",
number1, op[i1], number2, op[i2], number3, op[i3], number4, (int)temp2); temp2 = 0;
solution = TRUE;
}
if (goal == (int)temp3)
{
printf("(((%d %c %d) %c %d) %c %d) = %d\n",
number1, op[i1], number2, op[i2], number3, op[i3], number4, (int)temp3); temp3 = 0;
solution = TRUE;
}
if (goal == (int)temp4)
{
printf("(%d %c (%d %c (%d %c %d)))=%d\n",
number1, op[i1], number2, op[i2], number3, op[i3], number4, (int)temp4); temp4 = 0;
solution = TRUE;
}
}
}
}
}