Compilare: main.cpp: In function 'void SegTree::init(std::vector<std::pair<int, int> >&, std::vector<std::pair<int, int> >&)': main.cpp:28:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 28 | for (auto [a, b] : cons) { | ^ main.cpp: In function 'void SegTree::update(int, int, int, int, int)': main.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | if (nodes > graph.size()) graph.push_back({}); | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'bool SegTree::check(int)': main.cpp:102:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 102 | for (auto [x, typ, i] : evs) { | ^