Compilare: user.cpp: In function ‘int main()’: user.cpp:38:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] blocaj[sterg[x][0]][sterg[x][1]-1]=0; ^ user.cpp:40:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] blocaj[sterg[x-1][0]][sterg[x-1][1]-1]=0; ^ user.cpp:17:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&i,&j,&n,&l); ^ user.cpp:21:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&d); ^