這是一個非常無聊的遊戲.
不過想寫這遊戲的人很多.
直接po一篇上來僅供參考.

如果這個遊戲自己還寫不出來的話..
請再多加油吧
可以的話最好是別看別人的 code 自己寫

// ====================================
// FileName: Guess.cpp
// Author  : Edison.Shih.
// Complier: VC 6.0

////////////////////////////////////////////////////////////////
// header
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>

////////////////////////////////////////////////////////////////
// sub function declare

unsigned GetDig(); // 取得要玩的位數
void poker(char *ans, unsigned size); // poker 演算法

void Get_Check(char *input, char *ans, unsigned size); // 進行 GetInput 及 CheckAns 動作
void GetInput(char *input, char *ans, unsigned size);// 取得輸入之數字
void GetCheck(char *ans, unsigned size);
unsigned CheckAns(char *input, char* ans, unsigned size);// 比較輸入與輸出之值
bool GetAgain(); // 再玩一次
inline void ShowAns(char *ans, unsigned size);

////////////////////////////////////////////////////////////////
// main function

int main(int argc, char *argv[])
{
        unsigned dig=0;
        char *ans;
        bool again;

        do{
                dig  = GetDig();
                ans = (char*)malloc(sizeof(char)*dig);
                poker(ans, dig);
                GetCheck(ans, dig);               
                again = GetAgain();
                free(ans);
        }while(again);

       
        return 0;
}

////////////////////////////////////////////////////////////////
// Get Digit
unsigned GetDig()
{
        unsigned dig=0;
        do{
                printf("How many digits do you want to guest(1~9)?");
                scanf("%u",&dig);
                getchar(); // clear the input buffer;
                if(dig<=0 || dig>10) printf("Input error!\n");
        }while(dig<=0 || dig>10);
        return dig;
}

////////////////////////////////////////////////////////////////
// Generate Ans.

void swap(char *ch1,char *ch2)
{
        char temp;
        temp = *ch1;
        *ch1 = *ch2;
        *ch2 = temp;
}

void poker(char *ans, unsigned dig)
{
        unsigned i=0, j=0;
        srand(time(NULL));

        // poker initialize
        char POKER[]="0123456789";

        // poker random
        for(i=0; i<10; i++)        j=rand()%10, swap(&POKER[i],&POKER[j]);

        // take first dig.
        for(i=0; i<dig; i++) ans[i]=POKER[i];
}

////////////////////////////////////////////////////////////////
// GetCheck

void GetCheck(char *ans, unsigned size)
{
        char *input  = (char*)malloc(sizeof(char)*size);
        char buffer[200];
        unsigned i=0, j=0;
        unsigned AB=0;
        unsigned times=0;
        clock_t t1, t2;


        FILE *fp1=fopen("Recording.txt","wb");
        t1 = clock();
        do{       
                GetInput(input, ans, size);
                AB=CheckAns(input, ans, size);

                printf("\t\t\t\t");
                printf("(%3u) ",++times);
                ShowAns(input,size);
                printf(" -> %uA%uB\n",(unsigned)(AB/10), AB%10);
               
                fprintf(fp1,"(%3u) ", times);
                for(i=0; i<size; i++) fprintf(fp1,"%c",input[i]);
                fprintf(fp1," -> %uA%uB\r\n", (unsigned)(AB/10), AB%10);
        }while((unsigned)(AB/10)!=size);
        t2 = clock();
        fclose(fp1);

        system("cls");
        fp1=fopen("Recording.txt","rb");
        while(fgets(buffer, 200, fp1)!=NULL) printf(buffer);
        fclose(fp1);
        printf("\n You spend %.3f secs \n", (double)(t2-t1)/(double)(CLOCKS_PER_SEC));
        free(input);
        remove("Recording.txt");
}

////////////////////////////////////////////////////////////////
// GetInput

void GetInput(char *input, char *ans, unsigned size)
{
        unsigned i=0, j=0;
        unsigned len=0;
        char buffer[20];
        bool error=false;

        do
        {
                error = false;
                printf("INPUT:");
                scanf("%s",buffer);
                getchar(); // clear buffer;

                if(strlen(buffer)!=size) error=true; // 數字長度不對
                for(i=0; i<size; i++) if(!isdigit(buffer[i])) error = true; // 不是數字

                for(i=0; i<size-1; i++) // 數字重覆
                {
                        for(j=i+1; j<size-1; j++)
                        {
                                if(buffer[i]==buffer[j]) error=true;
                        }
                }
                if(error) printf("\t\t\t\tinput Error!\n");
        }while(error);       
        for(i=0; i<size; i++) input[i] = buffer[i];
}

////////////////////////////////////////////////////////////////
//

unsigned CheckAns(char *input, char *ans, unsigned size)
{
        unsigned i=0, j=0;
        unsigned A=0, B=0;
        for(i=0; i<size; i++)
        {               
                for(j=0; j<size; j++)
                {
                        if(ans[i]==input[j])
                        {
                                (i==j)?(A++):(B++);
                                break;
                        }
                }
        }
        return (A*10+B);
}
////////////////////////////////////////////////////////////////
// again or not.

bool GetAgain()
{
        char again;
        printf("Try again(Y/N)?");
        again = getchar();
        getchar(); // clear buffer
        system("cls");
        if(again=='N' || again=='n')
        {
                printf("thx for play\n");
                return false;
        }
        else return true;
}

inline void ShowAns(char *ans, unsigned size){        for(unsigned i=0; i<size; i++)printf("%c",ans[i]);}

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