Compilare: user.cpp: In function ‘int main()’: user.cpp:53:60: 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:53:65: 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:55:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:55:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:55:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:55:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:61:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit1=1,rmin1=a[k.x][k.y]; ^ user.cpp:61:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit1=1,rmin1=a[k.x][k.y]; ^ user.cpp:67:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit2=1,rmin2=a[k.x][k.y]; ^ user.cpp:67:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] gasit2=1,rmin2=a[k.x][k.y]; ^ user.cpp:73:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c[i].x][c[i].y]=0; ^ user.cpp:73:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c[i].x][c[i].y]=0; ^ user.cpp:82:60: 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:82:65: 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:84:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:84:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++sf]=k;a[k.x][k.y]=a[b.x][b.y]+1; ^ user.cpp:84:44: warning: array subscript has type ‘char’ [-Wchar-subscripts]