View Compilation Error

0_0_37958933_19625.cpp: In function 'void solve()':
0_0_37958933_19625.cpp:141:29: error: converting to 'std::vector<std::tuple<int, long long int, long long int> >::value_type {aka std::tuple<int, long long int, long long int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {long long int&, long long int&, long long int&}; <template-parameter-2-2> = void; _Elements = {int, long long int, long long int}]'
   G[u].push_back({v, ei, pi});
                             ^