70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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/*
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10 2 4 8
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答案：2
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*/
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// 24点
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int main() {
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int a, b, c, d;
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cin >> a >> b >> c >> d;
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int res = 0, x;
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x = a + b + c + d;
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if (x == 24) res++;
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x = a + b + c - d;
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if (x == 24) res++;
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x = a + b + c * d;
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if (x == 24) res++;
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x = a + b - c + d;
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if (x == 24) res++;
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x = a + b - c - d;
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if (x == 24) res++;
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x = a + b - c * d;
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if (x == 24) res++;
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x = a + b * c + d;
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if (x == 24) res++;
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x = a + b * c - d;
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if (x == 24) res++;
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x = a + b * c * d;
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if (x == 24) res++;
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x = a - b + c + d;
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if (x == 24) res++;
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x = a - b + c - d;
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if (x == 24) res++;
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x = a - b + c * d;
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if (x == 24) res++;
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x = a - b - c + d;
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if (x == 24) res++;
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x = a - b - c - d;
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if (x == 24) res++;
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x = a - b - c * d;
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if (x == 24) res++;
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x = a - b * c + d;
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if (x == 24) res++;
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x = a - b * c - d;
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if (x == 24) res++;
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x = a - b * c * d;
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if (x == 24) res++;
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x = a * b + c + d;
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if (x == 24) res++;
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x = a * b + c - d;
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if (x == 24) res++;
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x = a * b + c * d;
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if (x == 24) res++;
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x = a * b - c + d;
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if (x == 24) res++;
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x = a * b - c - d;
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if (x == 24) res++;
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x = a * b - c * d;
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if (x == 24) res++;
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x = a * b * c + d;
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if (x == 24) res++;
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x = a * b * c - d;
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if (x == 24) res++;
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x = a * b * c * d;
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if (x == 24) res++;
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cout << res;
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return 0;
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}
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