class Solution {
public:
/**
* 最大乘积
* @param A int整型一维数组
* @param ALen int A数组长度
* @return long长整型
*/
long long solve(int* A, int ALen) {
// write code here
sort(A, A + ALen);
long long a = A[ALen-1] * A[ALen-2] * A[ALen-3];
long long b = A[ALen-1] * A[ALen-2] * A[0];
cout << "b " << b << endl;
long long c = A[0] * A[1] * A[ALen-1];
return max(max(a,b),c);
}
};