View Compilation Error

0_0_37762218_25425.cpp: In function 'void solve()':
0_0_37762218_25425.cpp:19:16: error: converting to 'std::tuple<long long 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 = {long long int, long long int, long long int}]'
    stuff[z][i] = {-c[z]+w, w, c[z]};
                ^