Compilare: main.cpp: In function 'int main()': main.cpp:37:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int j = 0; j < v.size(); j++) | ~~^~~~~~~~~~ main.cpp:16:15: warning: unused variable 'y' [-Wunused-variable] 16 | char* y = (char*)calloc(10001, sizeof(char)); | ^ main.cpp:17:15: warning: unused variable 'x' [-Wunused-variable] 17 | char* x = (char*)calloc(10001, sizeof(char)); | ^