c语言24点游戏源（C语言课程设计）.rar

#include <stdio.h> #include <malloc.h> #include <stdlib.h> #include <string.h> #include <conio.h> /*字符操作函数*/ #include <ctype.h> #define BUFFSIZE 32 #define COL 128 #define ROW 64 /* 【自学去】网站收集 http://www.zixue7.com */ /*定义栈1*/ typedef struct node { int data; struct node *next; }STACK1; /*定义栈2*/ typedef struct node2 { char data; struct node2 *next; }STACK2; /*下面定义两个栈基本操作*/ /*入栈函数*/ STACK1 *PushStack(STACK1 *top,int x) { STACK1 *p; p=(STACK1 *)malloc(sizeof(STACK1)); if(p==NULL) { printf("ERROR\n!"); exit(0); } p->data=x; p->next=top; top=p; return top; } /*出栈函数*/ STACK1 *PopStack(STACK1 *top) { STACK1 *q; q=top; top=top->next; free(q); return top; } /*读栈顶元素*/ int GetTop(STACK1 *top) { if(top==NULL) { printf("Stack is null\n"); return 0; } /*返回栈顶元素*/ return top->data; } /*取栈顶元素，并删除栈顶元素*/ STACK1 *GetDelTop(STACK1 *top,int *x) { *x=GetTop(top); top=PopStack(top); return top; } int EmptyStack(STACK1 *top) /*判栈是否为空*/ { if(top==NULL) return 1; return 0; } /*入栈函数*/ STACK2 *PushStack2(STACK2 *top,char x) { STACK2 *p; p=(STACK2 *)malloc(sizeof(STACK2)); if(p==NULL) { printf("error\n!"); exit(0); } p->data=x; p->next=top; top=p; return top; } STACK2 *PopStack2(STACK2 *top) /*出栈*/ { STACK2 *q; q=top; top=top->next; free(q); return top; } /*读栈顶元素*/ char GetTop2(STACK2 *top) { if(top==NULL) { printf("Stack is null\n"); return 0; } return top->data; } /*取栈顶元素，并删除栈顶元素*/ STACK2 *GetDelTop2(STACK2 *top,char *x) { *x=GetTop2(top); top=PopStack2(top); return top; } /*判栈是否为空*/ int EmptyStack2(STACK2 *top) { if(top==NULL) return 1; else return 0; } /*随机发牌函数*/ void GenCard() { int num,i; randomize(); for(i=0;i<4;i++) { num=random(13); /*大小随机数*/ printf("%d ",num); } } /*中缀字符串e转后缀字符串a函数*/ void ExpressTransform(char *expMiddle,char *expBack) { STACK2 *top=NULL; /* 定义栈顶指针*/ int i=0,j=0; char ch; while(expMiddle[i]!='\0') { /*判断字符是数字*/ if(isdigit(expMiddle[i])) { do{ expBack[j]=expMiddle[i]; i++;j++; }while(expMiddle[i]!='.'); expBack[j]='.'; j++; } /*处理“(”*/ if(expMiddle[i]=='(') top=PushStack2(top,expMiddle[i]); /*处理“)”*/ if(expMiddle[i]==')') { top=GetDelTop2(top,&ch); while(ch!='(') { expBack[j]=ch; j++; top=GetDelTop2(top,&ch); } } /*处理加或减号*/ if(expMiddle[i]=='+'||expMiddle[i]=='-') { if(!EmptyStack2(top)) { ch=GetTop2(top); while(ch!='(') { expBack[j]=ch; j++; top=PopStack2(top); if(EmptyStack2(top)) break; else ch=GetTop2(top); } } top=PushStack2(top,expMiddle[i]); } /*处理乘或除号*/ if(expMiddle[i]=='*'||expMiddle[i]=='/') { if(!EmptyStack2(top)) { ch=GetTop2(top); while(ch=='*'||ch=='/') { expBack[j]=ch; j++; top=PopStack2(top); if(EmptyStack2(top)) break; else ch=GetTop2(top); } } top=PushStack2(top,expMiddle[i]); } i++; } while(!EmptyStack2(top)) top=GetDelTop2(top,&expBack[j++]); expBack[j]='\0'; } /*后缀表达式求值函数*/ int ExpressComputer(char *s) { STACK1 *top=NULL; int i,k,num1,num2,result; i=0; while(s[i]!='\0') /*当字符串没有结束时作以下处理*/ { if(isdigit(s[i])) /*判字符是否为数字*/ { k=0; /*k初值为0*/ do{ k=10*k+s[i]-'0'; /*将字符连接为十进制数字*/ i++; /*i加1*/ }while(s[i]!='.'); /*当字符不为‘.’时重复循环*/ top=PushStack(top,k); /*将生成的数字压入堆栈*/ } if(s[i]=='+') /*如果为'+'号*/ { top=GetDelTop(top,&num2); /*将栈顶元素取出存入num2中*/ top=GetDelTop(top,&num1); /*将栈顶元素取出存入num1中*/ result=num2+num1; /*将num1和num2相加存入result中*/ top=PushStack(top,result); /*将result压入堆栈*/ } if(s[i]=='-') /*如果为'-'号*/ { top=GetDelTop(top,&num2); /*将栈顶元素取出存入num2中*/ top=GetDelTop(top,&num1); /*将栈顶元素取出存入num1中*/ result=num1-num2; /*将num1减去num2结果存入result中*/ top=PushStack(top,result); /*将result压入堆栈*/ } if(s[i]=='*') /*如果为'*'号*/ { top=GetDelTop(top,&num2); /*将栈顶元素取出存入num2中*/ top=GetDelTop(top,&num1); /*将栈顶元素取出存入num1中*/ result=num1*num2; /*将num1与num2相乘结果存入result中*/ top=PushStack(top,result); /*将result压入堆栈*/ } if(s[i]=='/') /*如果为'/'号*/ { top=GetDelTop(top,&num2); /*将栈顶元素取出存入num2中*/ top=GetDelTop(top,&num1); /*将栈顶元素取出存入num1中*/ result=num1/num2; /*将num1除num2结果存入result中*/ top=PushStack(top,result); /*将result压入堆栈*/ } i++; /*i加1*/ } top=GetDelTop(top,&result); /*最后栈顶元素的值为计算的结果*/ return result; /*返回结果*/ } /*检查输入的表达式是否正确*/ int CheckExpression(char *e) { char ch; int i=0; while(e[i]!='\0') { if(isdigit(e[i])) { if(isdigit(e[i+1])) { i++; continue; } if(e[i+1]!='.') { printf("\n The wrong express format!!\n"); return 0; } i++; } i++; } return 1; } /*主函数*/ int main() { char expMiddle[BUFFSIZE],expBack[BUFFSIZE],ch; int i,result; clrscr(); /*提示输入字符串格式*/ printf("*******************************************\n"); printf("| Welcome to play our game : 24 points! |\n"); printf("| The input format as follows: |\n"); printf("| 10.*(4.-3.) |\n"); printf("*******************************************\n"); while(1) { printf("\n The four digits are: "); GenCard(); printf("\n"); do{ printf(" Please input the express:\n"); /*输入字符串压回车键*/ scanf("%s%c",expMiddle,&ch); /*检查输入的表达式是否正确*/ }while(!CheckExpression(expMiddle)); printf("%s\n",expMiddle); /*调用ExpressTransform函数将中缀表达式expMiddle转换为后缀表达式expBack*/ ExpressTransform(expMiddle,expBack); /*计算后缀表达式的值*/ result=ExpressComputer(expBack); printf("The value of %s is:%d.\n",expMiddle,result); if(result==24) printf("You are r