Compilare: main.cpp: In function 'void addDanger(int, int, int)': main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0; i < deltaX[s].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:134:35: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] 134 | out << x1 << ' ' << y1 << ' ' << res; | ^~~ main.cpp:134:22: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] 134 | out << x1 << ' ' << y1 << ' ' << res; | ^~~