Borderou de evaluare (job #823083)

Compilare: main.cpp: In function 'void baza(std::string&)': main.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 25 | for(int i=0; i<s.size(); i++) v.push_back({s[i]-'0', i}); | ~^~~~~~~~~ main.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<unsigned char, unsigned char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 27 | for(int i=0; i<v.size(); i++) v[i].first=i+1; | ~^~~~~~~~~ main.cpp:31:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<unsigned char, unsigned char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 31 | for(int i=0; i<v.size(); i++) s+=char((int)v[i].first+'0'); | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:9: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 43 | if(u) | ^