Borderou de evaluare (job #792980)

Compilare: main.cpp: In function 'void mark(int, int, int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:15:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 15 | auto [curX, curY] = q.front(); | ^ main.cpp:20:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | if (newX >= 0 && newX < grid.size() && newY >= 0 && newY < grid[0].size() && | ~~~~~^~~~~~~~~~~~~ main.cpp:20:70: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | if (newX >= 0 && newX < grid.size() && newY >= 0 && newY < grid[0].size() && | ~~~~~^~~~~~~~~~~~~~~~