Compilare: In file included from /usr/include/c++/12.2.1/cassert:44, from main.cpp:3: main.cpp: In function 'int expresie(std::string&, int&, int)': main.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | assert(p < s.size()); | ~~^~~~~~~~~~ main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | while (p < s.size() && (s[p] == '+' || s[p] == '-')) { | ~~^~~~~~~~~~ main.cpp: In function 'int termen(std::string&, int&, int)': main.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | assert(p < s.size()); | ~~^~~~~~~~~~ main.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | while (p < s.size() && (s[p] == '*' || s[p] == '/')) { | ~~^~~~~~~~~~ main.cpp: In function 'int factor(std::string&, int&, int)': main.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | assert(p < s.size()); | ~~^~~~~~~~~~ main.cpp: In function 'int numar(std::string&, int&, int)': main.cpp:55:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | assert(p < s.size()); | ~~^~~~~~~~~~ main.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | while (p < s.size() && isdigit(s[p])) { | ~~^~~~~~~~~~