Compilare: user.cpp: In function ‘void bkt(int, int, int)’: user.cpp:37:58: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[trans[x+choice[i]][y+choice[j]]]=0; ^ user.cpp:41:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] int l1=lista[trans[x][y]].x; ^ user.cpp:42:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] int l2=lista[trans[x][y]].y; ^ user.cpp:44:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] lista[trans[x][y]].x=x+2*choice[i]; ^ user.cpp:45:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] lista[trans[x][y]].y=y+2*choice[j]; ^ user.cpp:47:71: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( e[trans[lista[iter].x][lista[iter].y]] ){ ^ user.cpp:59:58: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[trans[x+choice[i]][y+choice[j]]]=1; ^ user.cpp:62:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] lista[trans[x][y]].x=l1; ^ user.cpp:63:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] lista[trans[x][y]].y=l2; ^ user.cpp: In function ‘int main()’: user.cpp:71:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&n,&m,&imm); ^ user.cpp:74:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&a,&b); ^