Compilare: main.cpp: In function 'int main()': main.cpp:23:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0;i<a.size()&&(val+test)<=INT_MAX&&(val+test)>=0;i++) | ~^~~~~~~~~ main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0;i<a.size()&&(tig+atest)<=INT_MAX&&(tig+atest)>=0;i++) | ~^~~~~~~~~ main.cpp:47:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i=0;i<b.size()&&(val-atest*btest)<=INT_MAX&&(val-atest*btest)>=0;i++) | ~^~~~~~~~~