Compilare: user.cpp: In function ‘void _push(element)’: user.cpp:59:13: warning: unused variable ‘au’ [-Wunused-variable] element au; ^ user.cpp: In function ‘void rezolva()’: user.cpp:103:81: warning: operation on ‘p.element::x’ may be undefined [-Wsequence-point] if (sp[p.x = q.x+1][p.y = q.y] > (p.v = sp[q.x][q.y]+a[p.x][p.y])) _push(p); ^ user.cpp:103:81: warning: operation on ‘p.element::y’ may be undefined [-Wsequence-point] user.cpp:105:81: warning: operation on ‘p.element::x’ may be undefined [-Wsequence-point] if (sp[p.x = q.x][p.y = q.y+1] > (p.v = sp[q.x][q.y]+a[p.x][p.y])) _push(p); ^ user.cpp:105:81: warning: operation on ‘p.element::y’ may be undefined [-Wsequence-point] user.cpp:107:81: warning: operation on ‘p.element::x’ may be undefined [-Wsequence-point] if (sp[p.x = q.x-1][p.y = q.y] > (p.v = sp[q.x][q.y]+a[p.x][p.y])) _push(p); ^ user.cpp:107:81: warning: operation on ‘p.element::y’ may be undefined [-Wsequence-point] user.cpp:109:81: warning: operation on ‘p.element::x’ may be undefined [-Wsequence-point] if (sp[p.x = q.x][p.y = q.y-1] > (p.v = sp[q.x][q.y]+a[p.x][p.y])) _push(p); ^ user.cpp:109:81: warning: operation on ‘p.element::y’ may be undefined [-Wsequence-point]