Compilare: user.cpp: In function ‘void sortare()’: user.cpp:87:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] matSort[poz[i].l][poz[i].c] = k; ^ user.cpp:87:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] matSort[poz[i].l][poz[i].c] = k; ^ user.cpp: In function ‘void bile()’: user.cpp:113:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(verif(pozNxt) && (loc = matSort[pozNxt.l][pozNxt.c]) < i) ^ user.cpp:113:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(verif(pozNxt) && (loc = matSort[pozNxt.l][pozNxt.c]) < i) ^ user.cpp: In function ‘void readFile()’: user.cpp:53:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &m); ^ user.cpp:61:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &nr); ^