Compilare: main.cpp: In function 'void findPoz()': main.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < b.size(); ++i) { ~~^~~~~~~~~~ main.cpp:15:20: warning: array subscript has type 'char' [-Wchar-subscripts] if (fv[b[i]] == 0) ^ main.cpp:17:16: warning: array subscript has type 'char' [-Wchar-subscripts] ok[b[i]] = true; ^ main.cpp:18:18: warning: array subscript has type 'char' [-Wchar-subscripts] ++fv[b[i]]; ^ main.cpp:19:19: warning: array subscript has type 'char' [-Wchar-subscripts] ++fv2[b[i]]; ^ main.cpp:25:19: warning: array subscript has type 'char' [-Wchar-subscripts] if (fv[lit] > 0) { ^ main.cpp:26:21: warning: array subscript has type 'char' [-Wchar-subscripts] --fv[lit]; ^ main.cpp:27:23: warning: array subscript has type 'char' [-Wchar-subscripts] if (fv[lit] == 0) ^ main.cpp: In function 'int main()': main.cpp:56:29: warning: array subscript has type 'char' [-Wchar-subscripts] ++ramase[i][a[i]]; ^ main.cpp:60:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (!ok[lit]) ^ main.cpp:63:61: warning: array subscript has type 'char' [-Wchar-subscripts] while (!s.empty() && lit < s.top() && fv[s.top()] + 1 <= ramase[i][s.top()]) { ^ main.cpp:63:87: warning: array subscript has type 'char' [-Wchar-subscripts] while (!s.empty() && lit < s.top() && fv[s.top()] + 1 <= ramase[i][s.top()]) { ^ main.cpp:65:29: warning: array subscript has type 'char' [-Wchar-subscripts] ++fv[s.top()]; ^ main.cpp:68:29: warning: array subscript has type 'char' [-Wchar-subscripts] if (ok || fv[lit] > 0) { ^ main.cpp:69:25: warning: array subscript has type 'char' [-Wchar-subscripts] --fv[lit]; ^