Compilare: user.cpp: In function ‘void solve()’: user.cpp:42:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] LI[i]=LM[FL[i][0]]+1; ^ user.cpp:43:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] PI[i]=PM[FL[i][0]]; ^ user.cpp:44:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(LI[i]>LM[FL[i][1]]) ^ user.cpp:46:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] LM[FL[i][1]]=LI[i]; ^ user.cpp:47:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] PM[FL[i][1]]=i; ^ user.cpp: In function ‘void read()’: user.cpp:19:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.in","r",stdin); ^ user.cpp:20:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.out","w",stdout); ^