Compilare: main.cpp: In function 'void SegTree::update(int, int, int, int, int)': main.cpp:51:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if (nodes > graph.size()) graph.push_back({}); | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'bool SegTree::check(int)': main.cpp:90:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 90 | for (auto [a, b] : cons) { | ^ main.cpp:105:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 105 | for (auto [x, typ, i] : evs) { | ^