Compilare: main.cpp: In function 'bool check(int, int)': main.cpp:12:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | if(lung > s[1].size()) | ~~~~~^~~~~~~~~~~~~ main.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(i = lung; i < s[1].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:29:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | if(lung > s[2].size()) | ~~~~~^~~~~~~~~~~~~ main.cpp:37:21: 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(i = lung; i < s[2].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:48:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | if(lung > s[3].size()) | ~~~~~^~~~~~~~~~~~~ main.cpp:56:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(i = lung; i < s[3].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:67:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | if(lung > s[4].size()) | ~~~~~^~~~~~~~~~~~~ main.cpp:75:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(i = lung; i < s[4].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:84:1: warning: control reaches end of non-void function [-Wreturn-type] 84 | } | ^ main.cpp: In function 'int main()': main.cpp:101:13: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 101 | cout << poz; | ^~~ main.cpp:91:31: note: 'poz' was declared here 91 | int st = 1, dr = 60, mid, poz; | ^~~