一个算24点的程序.docVIP

#include stdio.h #include stdlib.h #include math.h #include time.h #include conio.h #include string.h #include ctype.h #define MAX 20 int total=0,count=0,page; float a[4]; float bb[4]; float ssum; char temp; char output[MAX] ; char stack[MAX] ; char input[MAX] ; char *s, *t ; /*pointers to input and output strings*/ int top; /*Stack top*/ int l ; /*length of infix string*/ int flagg; /*Function Prototypes*/ void Initialize (void); void SetExpression (char *); char PopFromStack (void ); void PushOnStack (char); int priority (char); void ConvertToPrefix (void); void ConvertToPostfix (void); void houzui(void); int checkk(void); void calculate(); float sum(float xx,float yy,char mm); void test24(float x[],char m[]); int main(){ float sum(float,float,char); void test24(float [],char []); int i,j,k,ll,q,r,ss,tt,n=0; char f[4]={+,-,*,/}; float x[4]; char y[3]; int go=1; while(go==1){ printf(系统随机数字:\n); srand(time(0)); for(i = 0 ; i 4; i++) { a[i] = (float)(rand()%13 + 1); printf(%.0f, ,a[i]); } printf(\n); houzui(); if(flagg== 1) {//scanf(%c,temp); printf(\n******Resualt:******\n); /*get 4 num*/ total=0; for(i=0;i4;i++){ for(j=0;j4;j++){ if(i==j) continue; for(k=0;k4;k++){ if(k==i||k==j) continue; for(ll=0;ll4;ll++){ if(ll==i||ll==j||ll==k) continue; x[0]=a[i]; x[1]=a[j]; x[2]=a[k]; x[3]=a[ll]; /*get +-*/ for(q=0;q4;q++){ y[0]=f[q]; for(r=0;r4;r++){ y[1]=f[r]; for(ss=0;ss4;ss++){ y[2]=f[ss]; /*start*/ test24(x,y); } } } n++; } } } } if(total == 0) printf(此题无解，恭喜您回答正确！\n); else { printf(total=%d\n此题有解，Sorry，回答错误\n,total); } printf(******end******\n); printf(继续玩吗？ 继续请按1 ，退出请按2 \n); scanf(%d,go); getchar(); } else if(flagg == 2) { printf(输入不合法，返回