Compilare: main.cpp: In function 'void cobai(int, int, int)': main.cpp:29:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | if(p == s.size() - 1 && !dp[x][y]){ | ~~^~~~~~~~~~~~~~~ main.cpp:54:25: warning: array subscript has type 'char' [-Wchar-subscripts] 54 | int xv = x + xn[s[p]]; | ^ main.cpp:55:25: warning: array subscript has type 'char' [-Wchar-subscripts] 55 | int yv = y + yn[s[p]]; | ^ main.cpp:60:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | if(p == s.size() - 1) | ~~^~~~~~~~~~~~~~~ main.cpp:63:25: warning: array subscript has type 'char' [-Wchar-subscripts] 63 | xv = x + xn[s[p + 1]]; | ^ main.cpp:64:25: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | yv = y + yn[s[p + 1]]; | ^ main.cpp: In function 'int main()': main.cpp:128:26: warning: array subscript has type 'char' [-Wchar-subscripts] 128 | if(valid(is + xn[s[0]], js + yn[s[0]])) | ^ main.cpp:128:41: warning: array subscript has type 'char' [-Wchar-subscripts] 128 | if(valid(is + xn[s[0]], js + yn[s[0]])) | ^ main.cpp:129:27: warning: array subscript has type 'char' [-Wchar-subscripts] 129 | cobai(is + xn[s[0]], js + yn[s[0]], 0); | ^ main.cpp:129:42: warning: array subscript has type 'char' [-Wchar-subscripts] 129 | cobai(is + xn[s[0]], js + yn[s[0]], 0); | ^