Compilare: user.cpp: In function ‘void elima(int, int)’: user.cpp:27:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[k]=0; ^ user.cpp:34:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[k]%2==1) ^ user.cpp: In function ‘void elimb(int, int)’: user.cpp:44:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[k]=0; ^ user.cpp:51:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[k]%2==1) ^ user.cpp:51:16: warning: iteration 26u invokes undefined behavior [-Waggressive-loop-optimizations] if(fr[k]%2==1) ^ user.cpp:50:5: note: containing loop for(k=10;k<=39;k++) ^ user.cpp:44:16: warning: iteration 26u invokes undefined behavior [-Waggressive-loop-optimizations] fr[k]=0; ^ user.cpp:43:5: note: containing loop for(k=10;k<=39;k++) ^