Compilare: main.cpp: In function 'long long int smax(std::vector<long long int>)': main.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = 1; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<long long int> eval_expresie()': main.cpp:38:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | while (p < s.size() && s[p] != ')' && s[p] != ']') { | ~~^~~~~~~~~~ main.cpp:40:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if (p < s.size() && s[p] == ',') | ~~^~~~~~~~~~ main.cpp: In function 'long long int eval_element()': main.cpp:70:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | while (p < s.size() && isdigit(s[p])) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:86:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for (int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~