Compilare: main.cpp: In function 'int main()': main.cpp:39:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:44:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0;i<t.size();i++) | ~^~~~~~~~~ main.cpp:46:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(cnt[t[i]-'a']>=poz[t[i]-'a'].size()) | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~