哪位大神能给个C++24点游戏的程序？

Answer 1

#include <iostream>
using namespace std;
int calcute(int a, int b, char sig);
int calExpress(int a, int b, int c, int d);
char sig[4] = {'+', '-', '*', '/'};
bool flag = true;
int num = 0;
void main()
{
int s[4] ;
cin >> s[0] >> s[1] >> s[2] >> s[3];
for(int i = 0; i < 4; i++)
for(int j =0; j < 4; j++)
for(int k =0; k < 4; k++)
for(int m = 0; m < 4; m++)
if(i!=j && i!=k && i!=m && j!= k && j!=m && k!=m)
if(calExpress(s[i],s[j],s[k],s[m]) == 1)
return;
if(num == 0)
{
cout << "no answer" << endl;
}
}
int calcute(int a, int b, char sig)
{
switch(sig)
{
case '+':
return a+b;
case '-':
return a-b;
case '*':
return a*b;
case '/':
if(a%b!=0)
flag = false;
return a/b;
}
}
int calExpress(int a, int b, int c, int d)
{
int temp1, temp2,temp3;
for(int i = 0; i < 4; i++)
for(int j =0; j < 4; j++)
for(int k =0; k < 4; k++)
{
flag = true;
if(i <=1)
{
if(j <= 1)
{
temp1 = calcute(c,d,sig[k]);
temp2 = calcute(a,b,sig[i]);
temp3 = calcute(temp1,temp2,sig[j]);
if(temp3 == 24 && flag == true)
{
num++;
cout << a << sig[i] << b << sig[j] <<c << sig[k] << d << " = 24" << endl;
return 1;
}
}
else
{
temp1 = calcute(b, c, sig[j]);
temp2 = calcute(temp1, d, sig[k]);
temp3 = calcute(a, temp2, sig[i]);
if(temp3 == 24&& flag == true)
{
num++;
cout << a << sig[i] << b << sig[j] <<c << sig[k] << d << " = 24"<< endl;
return 1;
}
}
}
else
{
temp1 = calcute(a, b, sig[i]);
if(j <= 1)
{
temp2 = calcute(c, d, sig[k]);
temp3 = calcute(temp1,temp2,sig[j]);
if(temp3 == 24&& flag == true)
{
num++;
cout << a << sig[i] << b << sig[j] <<c << sig[k] << d << " = 24"<< endl;
return 1;
}
}
else
{
temp2 = calcute(temp1, c, sig[j]);
temp3 = calcute(temp2, d, sig[k]);
if(temp3 == 24&& flag == true)
{
num++;
cout << a << sig[i] << b << sig[j] <<c << sig[k] << d << " = 24"<< endl;
return 1;
}
}
}
}
return 0;
}