Compilare: main.cpp: In function 'void spatiu(const std::string&, int)': main.cpp:8:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 8 | while (p<s.size() && s[p]==' ') { | ~^~~~~~~~~ main.cpp: In function 'int factor(const std::string&, int&)': main.cpp:17:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (p<s.size() && s[p]=='N' && p+2<s.size() && s[p+1]=='O' && s[p+2]=='T') { | ~^~~~~~~~~ main.cpp:17:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (p<s.size() && s[p]=='N' && p+2<s.size() && s[p+1]=='O' && s[p+2]=='T') { | ~~~^~~~~~~~~ main.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if (p<s.size() && s[p]==')') { | ~^~~~~~~~~ main.cpp:30:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if (p+3<=s.size() && s.substr(p, 4)=="TRUE") { | ~~~^~~~~~~~~~ main.cpp:34:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | if (p+4<=s.size() && s.substr(p, 5)=="FALSE") { | ~~~^~~~~~~~~~ main.cpp: In function 'int termen(const std::string&, int&)': main.cpp:49:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | while (p<s.size() && s[p]=='A' && p+2<s.size() && s[p+1]=='N' && s[p+2]=='D') { | ~^~~~~~~~~ main.cpp:49:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | while (p<s.size() && s[p]=='A' && p+2<s.size() && s[p+1]=='N' && s[p+2]=='D') { | ~~~^~~~~~~~~ main.cpp: In function 'int expresie(const std::string&, int&)': main.cpp:61:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | while (p<s.size() && s[p]=='O' && p+1<s.size() && s[p+1]=='R') { | ~^~~~~~~~~ main.cpp:61:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | while (p<s.size() && s[p]=='O' && p+1<s.size() && s[p+1]=='R') { | ~~~^~~~~~~~~