Compilare: user.cpp: In member function ‘void Set::create(std::__cxx11::string)’: user.cpp:17:9: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(s[i]!='-') a=a*10+(s[i++]-'0'); i++; ^~~~~ user.cpp:17:47: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ while(s[i]!='-') a=a*10+(s[i++]-'0'); i++; ^ user.cpp:18:9: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(s[i]!='/') b=b*10+(s[i++]-'0'); i++; ^~~~~ user.cpp:18:47: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ while(s[i]!='/') b=b*10+(s[i++]-'0'); i++; ^ user.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<s.length()) r=r*10+(s[i++]-'0'); ~^~~~~~~~~~~ user.cpp: In member function ‘void Parser::create(std::__cxx11::string)’: user.cpp:42:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<s.length()) ~^~~~~~~~~~~ user.cpp: In member function ‘bool Parser::Calculate()’: user.cpp:60:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<parser.size();i++) ~^~~~~~~~~~~~~~ user.cpp:76:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Exp.size();i++) ~^~~~~~~~~~~