Compilare: main.cpp: In function 'int main()': main.cpp:130:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for (int i = 0; i < stiva.size(); i ++) | ~~^~~~~~~~~~~~~~ main.cpp:137:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for (int j = 0; j < stiva.size(); j ++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int cross_prod(point, point, point)': main.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type] 40 | } | ^ main.cpp: In function 'int main()': main.cpp:162:28: warning: 'angle2' may be used uninitialized [-Wmaybe-uninitialized] 162 | if (angle1 < 0 || angle2 < 0) | ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:148:20: note: 'angle2' was declared here 148 | double angle2; | ^~~~~~ main.cpp:162:13: warning: 'angle1' may be used uninitialized [-Wmaybe-uninitialized] 162 | if (angle1 < 0 || angle2 < 0) | ^~ main.cpp:147:20: note: 'angle1' was declared here 147 | double angle1; | ^~~~~~