Compilare: main.cpp: In function 'punct pr(punct, punct, punct)': main.cpp:56:8: warning: unused variable 'd' [-Wunused-variable] 56 | db d = C.y - C.x * c; | ^ main.cpp: In function 'int main()': main.cpp:103:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for(int i = 0; i + 1 < infs.size(); i++){ | ~~~~~~^~~~~~~~~~~~~ main.cpp:109:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for(int k = 0; k < infs.size(); k++){ | ~~^~~~~~~~~~~~~