Gist範例

example.cpp

#include <iostream>

using namespace std;
int main() {
    srand((unsigned)time(NULL));
    int p[4];
    p[0]=(rand()%9)+1;
    p[1]=(rand()%9)+1;
    while(p[1] == p[0]){
          p[1]=(rand()%9)+1;
    }
    p[2]=(rand()%9)+1;
    while(p[2] == p[0] || p[2] == p[1]){
          p[2]=(rand()%9)+1;
    }
    p[3]=(rand()%9)+1;
    while(p[3] == p[0] || p[3] == p[1] || p[3] == p[2]){
          p[3]=(rand()%9)+1;
    }
    int password = (p[0])*1000+(p[1])*100+(p[2])*10+(p[3])*1;
    cout<<password<<endl;
    int guess,r;
    int i=0;
    int j=1;
    int k=2;
    int m=3;
    do{
       int a=0;
       int b=0;
       cout<<"please enter your guess: ";
       cin>>guess;
       int g[4];
       g[0]= guess/1000;
       g[1]= (guess%1000)/100;
       g[2]= (guess%100)/10;
       g[3]= (guess%10);
       if(guess == password){
          cout<<"4A0B";
          break;
       }
       for(r=0;r<=3;r++){
           if(g[r] == p[i]){
              a++;
           }
           if(g[r] == p[j]){
              b++;
           }
           if(g[r] == p[k]){
              b++;
           }
           if(g[r] == p[m]){
              b++;
           }
           i++;
           j++;
           k++;
           m++;
           if(j>3){
              j%=4;
           }
           if(k>3){
               k%=4;
           }
           if(m>3){
               m%=4;
           }
       }
       cout<<a<<'A'<<b<<'B'<<endl;
    }while(guess != password);
    return 0;
}