Compilare: user.cpp: In function ‘int evaluare(char*)’: user.cpp:72:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] int nr = (int) cod[s[i]]; ^ user.cpp:62:8: warning: variable ‘top’ set but not used [-Wunused-but-set-variable] char top; ^ user.cpp:63:7: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int x; ^ user.cpp: In function ‘int main()’: user.cpp:116:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] f1[s1[j]] = true; ^ user.cpp:122:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] f2[s2[j]] = true; ^ user.cpp:129:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f1[ch] != f2[ch]) { ^ user.cpp:129:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f1[ch] != f2[ch]) { ^ user.cpp:137:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp:137:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp:137:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp:150:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[s1[j]] = v[++k]; ^ user.cpp:165:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp:165:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp:165:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ch] = f1[ch] = f2[ch] = false; ^ user.cpp: In function ‘int priority(char)’: user.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:100:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]