View Compilation Error

0_0_39902076_2368.cpp
0_0_39902076_2368.cpp(98) : error C2664: “int find(int,std::vector<Subset,std::allocator<_Ty>> &)”: 无法将参数 2 从“std::vector<int,std::allocator<_Ty>>”转换为“std::vector<Subset,std::allocator<_Ty>> &”
        with
        [
            _Ty=Subset
        ]
        and
        [
            _Ty=int
        ]
        and
        [
            _Ty=Subset
        ]