Borderou de evaluare (job #816307)

Compilare: main.cpp: In function 'int main()': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 23 | for(int i = sI; i<s.size(); i++){ | ~^~~~~~~~~ main.cpp:29:5: warning: 'semn' may be used uninitialized [-Wmaybe-uninitialized] 29 | if(semn == '+'){ | ^~ main.cpp:10:10: note: 'semn' was declared here 10 | char semn; | ^~~~