Compilare: main.cpp: In function 'int main()': main.cpp:124:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | while(it < events.size() && t >= events[it].timp){ | ~~~^~~~~~~~~~~~~~~ main.cpp:140:31: warning: 'y1' may be used uninitialized [-Wmaybe-uninitialized] 140 | out << x1 << " " << y1 << " " << x1 + dx << " " << y1 + dy << '\n'; | ^~~ main.cpp:121:13: note: 'y1' was declared here 121 | int x1, y1; | ^~ main.cpp:140:18: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized] 140 | out << x1 << " " << y1 << " " << x1 + dx << " " << y1 + dy << '\n'; | ^~~ main.cpp:121:9: note: 'x1' was declared here 121 | int x1, y1; | ^~