itsa基 37 18啦遊戲設計

#include<iostream>
#include<algorithm>
using namespace std;

int main()
{
int a,b,c;
int num[4];
int ans[4] = {1};
a = 0;
b = 0;
c = 1;
for (int i = 0;i < 4; i++)
cin >> num[i];

sort(num, num + 4);
for (int j = 1;j < 4; j++)
{
if (num[j] == num[j - 1])
c++;
else
c = 1;
ans[j] = c;
if (a < ans[j])
a = ans[j];
}
if (a == 4)
cout << "WIN" << endl;
else if (a == 1 || a == 3)
cout << "R" << endl;
else if (a == 2)
{
if (num[0] == num[1] && num[2] == num[3])
{
b = num[2] * 2;
}
else
{
for (int i = 0; i < 4; i++)
b += num[i];
for (int i = 0; i < 4; i++)
if (ans[i] == a)
b -= num[i] * 2;
}
cout << b << endl;
}
return 0;
}