#include <bits/stdc++.h>
using namespace std;
int main() {
	int a, b, c;
	cin >> a >> b >> c;
	int minn = min(a, min(b, c));
	int maxn = max(a, max(b, c));
	int w = gcd(minn, maxn);
	cout << minn / w << '/' << maxn / w;
	return 0;
}

在dev能运行但提交是Compile Error

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