Compilare: user.cpp: In function ‘int yolo(ielicoptierie)’: user.cpp:17:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1;j=b.x2;w=b.y1-b.x1+1;k=1;nr[a[i][j]]++; ^ user.cpp:22:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1+k;for(j=b.x2;j<b.x2+1+k;j++)nr[a[i][j]]++; ^ user.cpp:30:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1+k;for(j=b.x2-k;j<=b.x2;j++)nr[a[i][j]]++; ^ user.cpp:40:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1;j=b.x2;w=b.x1-b.y1+1;k=1;nr[a[i][j]]++; ^ user.cpp:45:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1-k;for(j=b.x2;j<b.x2+k+1;j++)nr[a[i][j]]++; ^ user.cpp:53:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] i=b.x1-k;for(j=b.x2-k;j<=b.x2;j++)nr[a[i][j]]++; ^ user.cpp:13:9: warning: variable ‘c’ set but not used [-Wunused-but-set-variable] int c,i,j,k=1,w;w=abs(b.y1-b.x1)+1;nr[0]=0;nr[1]=0;if(b.x1>b.y1)c=-1;else c=1; ^