Compilare: user.cpp: In function ‘int main()’: user.cpp:52:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(k.x>0 && k.x<=n && k.y>0 && k.y<=n && !a[k.x][k.y]) ^ user.cpp:52:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(k.x>0 && k.x<=n && k.y>0 && k.y<=n && !a[k.x][k.y]) ^ user.cpp:54:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:54:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:54:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:54:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:60:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit1=1,rmin1=a[k.x][k.y]; ^ user.cpp:60:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit1=1,rmin1=a[k.x][k.y]; ^ user.cpp:66:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit2=1,rmin2=a[k.x][k.y]; ^ user.cpp:66:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit2=1,rmin2=a[k.x][k.y]; ^ user.cpp:72:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c[i].x][c[i].y]=0; ^ user.cpp:72:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c[i].x][c[i].y]=0; ^ user.cpp:81:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(k.x>0 && k.x<=n && k.y>0 && k.y<=n && !a[k.x][k.y]) ^ user.cpp:81:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(k.x>0 && k.x<=n && k.y>0 && k.y<=n && !a[k.x][k.y]) ^ user.cpp:83:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:83:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:83:44: warning: array subscript has type ‘char’ [-Wchar-subscripts]