Compilare: main.cpp: In function 'int main()': main.cpp:105:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<querry>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for (int crt=0; crt<v.size(); crt++){ | ~~~^~~~~~~~~ main.cpp:88:9: warning: unused variable 'a' [-Wunused-variable] 88 | int a, b, d; | ^ main.cpp:88:12: warning: unused variable 'b' [-Wunused-variable] 88 | int a, b, d; | ^ main.cpp:88:15: warning: unused variable 'd' [-Wunused-variable] 88 | int a, b, d; | ^