Compilare: main.cpp: In function 'int main()': main.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int t=0;t < s.size();t++){ | ~~^~~~~~~~~~ main.cpp:41:13: warning: unused variable 'aux' [-Wunused-variable] 41 | int aux; | ^~~ main.cpp:123:12: warning: unused variable 'sigmas' [-Wunused-variable] 123 | double sigmas=(double)((100 * c1) / c2); | ^~~~~~