View Compilation Error

0_0_37641652_4623.cpp: In function 'int main()':
0_0_37641652_4623.cpp:86:56: error: converting to 'std::vector<std::tuple<int, int, int> >::value_type {aka std::tuple<int, int, int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {int&, int&, int&}; <template-parameter-2-2> = void; _Elements = {int, int, int}]'
    del[o1.in[n-y+1]-1].push_back({o0.in[x],o0.out[x],i});
                                                        ^
0_0_37641652_4623.cpp:87:55: error: converting to 'std::vector<std::tuple<int, int, int> >::value_type {aka std::tuple<int, int, int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {int&, int&, int&}; <template-parameter-2-2> = void; _Elements = {int, int, int}]'
    add[o1.out[n-y+1]].push_back({o0.in[x],o0.out[x],i});
                                                       ^