Compilare: main.cpp: In function 'int main()': main.cpp:88:34: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 88 | while(q.size()>1&&det(a[x].x,a[x].y,a[i].x,a[i].y,a[hold].x,a[hold].y)>0.0){ | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:83:17: note: 'x' was declared here 83 | int x; | ^ main.cpp:55:34: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 55 | while(q.size()>1&&det(a[x].x,a[x].y,a[i].x,a[i].y,a[hold].x,a[hold].y)>0.0){ | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:50:17: note: 'x' was declared here 50 | int x; | ^