Compilare: main.cpp: In function 'int main()': main.cpp:115:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(int i = l; i < infa.size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:56:8: warning: unused variable 'xmin' [-Wunused-variable] 56 | db xmin = 0, ymin = 0; | ^~~~ main.cpp:56:18: warning: unused variable 'ymin' [-Wunused-variable] 56 | db xmin = 0, ymin = 0; | ^~~~