Borderou de evaluare (job #714510)

Compilare: main.cpp: In function 'int main()': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for(int i=0; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:15:11: warning: array subscript has type 'char' [-Wchar-subscripts] 15 | v[a[i]]=i; | ^ main.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 19 | for(int j=0; j<s.size(); j++) | ~^~~~~~~~~ main.cpp:21:21: warning: array subscript has type 'char' [-Wchar-subscripts] 21 | x=v[s[j]]; | ^